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A Duoviginticentillion (1 Duoviginticentillion) is 10 to the power of 369 (10^369). This is a stupendously astronomical number!

How many zeros in a Duoviginticentillion?

There are 369 zeros in a Duoviginticentillion.

What's before Duoviginticentillion?

A Unviginticentillion is smaller than a Duoviginticentillion.

What's after Duoviginticentillion?

A Tresviginticentillion is larger than a Duoviginticentillion.


A Duoviginticentillionaire is someone whos assets, net worth or wealth is 1 or more Duoviginticentillion. It is unlikely anyone will ever be a true Duoviginticentillionaire. If you want to be a Duoviginticentillionaire, play Tap Tales!

Is Duoviginticentillion the largest number?

Duoviginticentillion is not the largest number. Infinity best describes the largest possible number - if there even is one! We cannot comprehend what the largest number actually is.

Duoviginticentillion written out

Duoviginticentillion is written out as:


Big Numbers

This is just one of many really big numbers!

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