264709486957 has 16 divisors (see below), whose sum is σ = 268175905920. Its totient is φ = 261261438912.

The previous prime is 264709486939. The next prime is 264709486961. The reversal of 264709486957 is 759684907462.

It is a cyclic number.

It is not a de Polignac number, because 264709486957 - 2¹⁹ = 264708962669 is a prime.

It is a super-2 number, since 2×264709486957² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 264709486892 and 264709486901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264709480957) 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, 94436518 + ... + 94439320.

It is an arithmetic number, because the mean of its divisors is an integer number (16760994120).

Almost surely, 2^264709486957 is an apocalyptic number.

It is an amenable number.

264709486957 is a deficient number, since it is larger than the sum of its proper divisors (3466418963).

264709486957 is a wasteful number, since it uses less digits than its factorization.

264709486957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5652.

The product of its (nonzero) digits is 182891520, while the sum is 67.

The spelling of 264709486957 in words is "two hundred sixty-four billion, seven hundred nine million, four hundred eighty-six thousand, nine hundred fifty-seven".