65264426512 has 10 divisors (see below), whose sum is σ = 126449826398. Its totient is φ = 32632213248.

The previous prime is 65264426501. The next prime is 65264426567. The reversal of 65264426512 is 21562446256.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 56918507776 + 8345918736 = 238576^2 + 91356^2 .

It is a super-2 number, since 2×65264426512² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2039513313 + ... + 2039513344.

Almost surely, 2^65264426512 is an apocalyptic number.

It is an amenable number.

65264426512 is a deficient number, since it is larger than the sum of its proper divisors (61185399886).

65264426512 is a wasteful number, since it uses less digits than its factorization.

65264426512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4079026665 (or 4079026659 counting only the distinct ones).

The product of its digits is 691200, while the sum is 43.

The spelling of 65264426512 in words is "sixty-five billion, two hundred sixty-four million, four hundred twenty-six thousand, five hundred twelve".