204109396862596 has 81 divisors (see below), whose sum is σ = 362950998524751. Its totient is φ = 100435173993024.

The previous prime is 204109396862563. The next prime is 204109396862597. The reversal of 204109396862596 is 695268693901402.

The square root of 204109396862596 is 14286686.

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

It can be written as a sum of positive squares in 4 ways, for example, as 14187923422596 + 189921473440000 = 3766686^2 + 13781200^2 .

It is a super-2 number, since 2×204109396862596² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204109396862597) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 776081356761 + ... + 776081357023.

Almost surely, 2^{204109396862596} is an apocalyptic number.

204109396862596 is the 14286686-th square number.

It is an amenable number.

204109396862596 is a deficient number, since it is larger than the sum of its proper divisors (158841601662155).

204109396862596 is an frugal number, since it uses more digits than its factorization.

204109396862596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190 (or 595 counting only the distinct ones).

The product of its (nonzero) digits is 302330880, while the sum is 70.

The spelling of 204109396862596 in words is "two hundred four trillion, one hundred nine billion, three hundred ninety-six million, eight hundred sixty-two thousand, five hundred ninety-six".