264526311321 has 6 divisors (see below), whose sum is σ = 382093560810. Its totient is φ = 176350874208.

The previous prime is 264526311271. The next prime is 264526311323. The reversal of 264526311321 is 123113625462.

264526311321 is a `hidden beast` number, since 2 + 6 + 4 + 5 + 2 + 631 + 13 + 2 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 253601880921 + 10924430400 = 503589^2 + 104520^2 .

It is not a de Polignac number, because 264526311321 - 2¹⁴ = 264526294937 is a prime.

It is a super-2 number, since 2×264526311321² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (264526311323) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14695906176 + ... + 14695906193.

It is an arithmetic number, because the mean of its divisors is an integer number (63682260135).

Almost surely, 2^264526311321 is an apocalyptic number.

It is an amenable number.

264526311321 is a deficient number, since it is larger than the sum of its proper divisors (117567249489).

264526311321 is a wasteful number, since it uses less digits than its factorization.

264526311321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29391812375 (or 29391812372 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

Adding to 264526311321 its reverse (123113625462), we get a palindrome (387639936783).

The spelling of 264526311321 in words is "two hundred sixty-four billion, five hundred twenty-six million, three hundred eleven thousand, three hundred twenty-one".