12579907945 has 16 divisors (see below), whose sum is σ = 17436964608. Its totient is φ = 8610845440.

The previous prime is 12579907919. The next prime is 12579907969. The reversal of 12579907945 is 54970997521.

It is not a de Polignac number, because 12579907945 - 2²⁷ = 12445690217 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12579907945.

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, 6726289 + ... + 6728158.

It is an arithmetic number, because the mean of its divisors is an integer number (1089810288).

Almost surely, 2^12579907945 is an apocalyptic number.

It is an amenable number.

12579907945 is a deficient number, since it is larger than the sum of its proper divisors (4857056663).

12579907945 is a wasteful number, since it uses less digits than its factorization.

12579907945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13454480.

The product of its (nonzero) digits is 7144200, while the sum is 58.

The spelling of 12579907945 in words is "twelve billion, five hundred seventy-nine million, nine hundred seven thousand, nine hundred forty-five".