99965365929 has 135 divisors (see below), whose sum is σ = 174595963815. Its totient is φ = 55089983520.

The previous prime is 99965365921. The next prime is 99965365943. The reversal of 99965365929 is 92956356999.

The square root of 99965365929 is 316173.

It is a perfect power (a square), and thus also a powerful number.

99965365929 is a `hidden beast` number, since 99 + 96 + 5 + 365 + 92 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 14787776025 + 85177589904 = 121605^2 + 291852^2 .

It is not a de Polignac number, because 99965365929 - 2³ = 99965365921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99965365921) by changing a digit.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 1492020354 + ... + 1492020420.

Almost surely, 2^99965365929 is an apocalyptic number.

99965365929 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

99965365929 is the 316173-rd square number.

99965365929 is the 158087-th centered octagonal number.

It is an amenable number.

99965365929 is a deficient number, since it is larger than the sum of its proper divisors (74630597886).

99965365929 is an equidigital number, since it uses as much as digits as its factorization.

99965365929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 94 counting only the distinct ones).

The product of its digits is 318864600, while the sum is 72.

The spelling of 99965365929 in words is "ninety-nine billion, nine hundred sixty-five million, three hundred sixty-five thousand, nine hundred twenty-nine".