239234112564 has 24 divisors (see below), whose sum is σ = 558677753088. Its totient is φ = 79678300800.

The previous prime is 239234112541. The next prime is 239234112581. The reversal of 239234112564 is 465211432932.

It is a super-2 number, since 2×239234112564² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8285412 + ... + 8314235.

It is an arithmetic number, because the mean of its divisors is an integer number (23278239712).

Almost surely, 2^239234112564 is an apocalyptic number.

It is an amenable number.

239234112564 is an abundant number, since it is smaller than the sum of its proper divisors (319443640524).

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

239234112564 is a wasteful number, since it uses less digits than its factorization.

239234112564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16600855 (or 16600853 counting only the distinct ones).

The product of its digits is 311040, while the sum is 42.

The spelling of 239234112564 in words is "two hundred thirty-nine billion, two hundred thirty-four million, one hundred twelve thousand, five hundred sixty-four".