264613532836 has 27 divisors (see below), whose sum is σ = 488764839969. Its totient is φ = 125333993088.

The previous prime is 264613532831. The next prime is 264613532863. The reversal of 264613532836 is 638235316462.

The square root of 264613532836 is 514406.

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., 258318062500 + 6295470336 = 508250^2 + 79344^2 .

It is a super-3 number, since 3×264613532836³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 264613532836.

It is not an unprimeable number, because it can be changed into a prime (264613532831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 19540660 + ... + 19554196.

Almost surely, 2^264613532836 is an apocalyptic number.

264613532836 is the 514406-th square number.

It is an amenable number.

264613532836 is a deficient number, since it is larger than the sum of its proper divisors (224151307133).

264613532836 is an frugal number, since it uses more digits than its factorization.

264613532836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27116 (or 13558 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 49.

Multiplying 264613532836 by its sum of digits (49), we get a square (12966063108964 = 3600842²).

It can be divided in two parts, 264613 and 532836, that added together give a square (797449 = 893²).

The spelling of 264613532836 in words is "two hundred sixty-four billion, six hundred thirteen million, five hundred thirty-two thousand, eight hundred thirty-six".