204273975213 has 144 divisors (see below), whose sum is σ = 407186305344. Its totient is φ = 97173457920.

The previous prime is 204273975211. The next prime is 204273975221. The reversal of 204273975213 is 312579372402.

204273975213 is a `hidden beast` number, since 2 + 0 + 42 + 7 + 397 + 5 + 213 = 666.

It is not a de Polignac number, because 204273975213 - 2¹ = 204273975211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204273975211) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 3017806 + ... + 3084752.

It is an arithmetic number, because the mean of its divisors is an integer number (2827682676).

Almost surely, 2^204273975213 is an apocalyptic number.

It is an amenable number.

204273975213 is a deficient number, since it is larger than the sum of its proper divisors (202912330131).

204273975213 is a wasteful number, since it uses less digits than its factorization.

204273975213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67032 (or 67022 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

The spelling of 204273975213 in words is "two hundred four billion, two hundred seventy-three million, nine hundred seventy-five thousand, two hundred thirteen".