65264612972 has 12 divisors (see below), whose sum is σ = 122998693776. Its totient is φ = 30122129040.

The previous prime is 65264612969. The next prime is 65264613017. The reversal of 65264612972 is 27921646256.

It is a self number, because there is not a number n which added to its sum of digits gives 65264612972.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 627544304 + ... + 627544407.

It is an arithmetic number, because the mean of its divisors is an integer number (10249891148).

Almost surely, 2^65264612972 is an apocalyptic number.

It is an amenable number.

65264612972 is a deficient number, since it is larger than the sum of its proper divisors (57734080804).

65264612972 is a wasteful number, since it uses less digits than its factorization.

65264612972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255088728 (or 1255088726 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 50.

The spelling of 65264612972 in words is "sixty-five billion, two hundred sixty-four million, six hundred twelve thousand, nine hundred seventy-two".