239357734564 has 81 divisors (see below), whose sum is σ = 469452682881. Its totient is φ = 106733034720.

The previous prime is 239357734559. The next prime is 239357734573. The reversal of 239357734564 is 465437753932.

The square root of 239357734564 is 489242.

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

It can be written as a sum of positive squares in only one way, i.e., 35407948900 + 203949785664 = 188170^2 + 451608^2 .

It is a super-2 number, since 2×239357734564² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 239357734499 and 239357734508.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 394328749 + ... + 394329355.

Almost surely, 2^239357734564 is an apocalyptic number.

239357734564 is the 489242-nd square number.

It is an amenable number.

239357734564 is a deficient number, since it is larger than the sum of its proper divisors (230094948317).

239357734564 is an equidigital number, since it uses as much as digits as its factorization.

239357734564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306 (or 653 counting only the distinct ones).

The product of its digits is 57153600, while the sum is 58.

The spelling of 239357734564 in words is "two hundred thirty-nine billion, three hundred fifty-seven million, seven hundred thirty-four thousand, five hundred sixty-four".