12791349425 has 24 divisors (see below), whose sum is σ = 16384403712. Its totient is φ = 9896040000.

The previous prime is 12791349401. The next prime is 12791349443. The reversal of 12791349425 is 52494319721.

It is a de Polignac number, because none of the positive numbers 2^k-12791349425 is a prime.

It is a super-2 number, since 2×12791349425² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12791349425.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1286975 + ... + 1296875.

It is an arithmetic number, because the mean of its divisors is an integer number (682683488).

Almost surely, 2^12791349425 is an apocalyptic number.

It is an amenable number.

12791349425 is a deficient number, since it is larger than the sum of its proper divisors (3593054287).

12791349425 is a wasteful number, since it uses less digits than its factorization.

12791349425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11609 (or 11604 counting only the distinct ones).

The product of its digits is 544320, while the sum is 47.

The spelling of 12791349425 in words is "twelve billion, seven hundred ninety-one million, three hundred forty-nine thousand, four hundred twenty-five".