204974012934 has 24 divisors (see below), whose sum is σ = 448040545992. Its totient is φ = 67720027200.

The previous prime is 204974012911. The next prime is 204974012941. The reversal of 204974012934 is 439210479402.

204974012934 is a `hidden beast` number, since 2 + 0 + 497 + 4 + 0 + 129 + 34 = 666.

It is a super-3 number, since 3×204974012934³ (a number of 35 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 204974012934.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50384892 + ... + 50388959.

It is an arithmetic number, because the mean of its divisors is an integer number (18668356083).

Almost surely, 2^204974012934 is an apocalyptic number.

204974012934 is an abundant number, since it is smaller than the sum of its proper divisors (243066533058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204974012934 is a wasteful number, since it uses less digits than its factorization.

204974012934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100773972 (or 100773969 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 204974012934 in words is "two hundred four billion, nine hundred seventy-four million, twelve thousand, nine hundred thirty-four".