204764100289 has 16 divisors (see below), whose sum is σ = 238119552000. Its totient is φ = 172437935184.

The previous prime is 204764100257. The next prime is 204764100313. The reversal of 204764100289 is 982001467402.

It is a cyclic number.

It is not a de Polignac number, because 204764100289 - 2⁵ = 204764100257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204764100889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 579612 + ... + 863410.

It is an arithmetic number, because the mean of its divisors is an integer number (14882472000).

Almost surely, 2^204764100289 is an apocalyptic number.

It is an amenable number.

204764100289 is a deficient number, since it is larger than the sum of its proper divisors (33355451711).

204764100289 is a wasteful number, since it uses less digits than its factorization.

204764100289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285612.

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 204764100289 in words is "two hundred four billion, seven hundred sixty-four million, one hundred thousand, two hundred eighty-nine".