12951564358 has 32 divisors (see below), whose sum is σ = 20681136000. Its totient is φ = 6065928000.

The previous prime is 12951564349. The next prime is 12951564389. The reversal of 12951564358 is 85346515921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1320898 + ... + 1330666.

It is an arithmetic number, because the mean of its divisors is an integer number (646285500).

Almost surely, 2^12951564358 is an apocalyptic number.

12951564358 is a deficient number, since it is larger than the sum of its proper divisors (7729571642).

12951564358 is a wasteful number, since it uses less digits than its factorization.

12951564358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10180.

The product of its digits is 1296000, while the sum is 49.

The spelling of 12951564358 in words is "twelve billion, nine hundred fifty-one million, five hundred sixty-four thousand, three hundred fifty-eight".