12664362325 has 12 divisors (see below), whose sum is σ = 15705315108. Its totient is φ = 10130518400.

The previous prime is 12664362301. The next prime is 12664362341. The reversal of 12664362325 is 52326346621.

It can be written as a sum of positive squares in 6 ways, for example, as 428241636 + 12236120689 = 20694^2 + 110617^2 .

It is not a de Polignac number, because 12664362325 - 2¹³ = 12664354133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 362319 + ... + 395731.

It is an arithmetic number, because the mean of its divisors is an integer number (1308776259).

Almost surely, 2^12664362325 is an apocalyptic number.

It is an amenable number.

12664362325 is a deficient number, since it is larger than the sum of its proper divisors (3040952783).

12664362325 is a wasteful number, since it uses less digits than its factorization.

12664362325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48584 (or 48579 counting only the distinct ones).

The product of its digits is 311040, while the sum is 40.

The spelling of 12664362325 in words is "twelve billion, six hundred sixty-four million, three hundred sixty-two thousand, three hundred twenty-five".