12479459564 has 36 divisors (see below), whose sum is σ = 25798059000. Its totient is φ = 5236133760.

The previous prime is 12479459537. The next prime is 12479459581. The reversal of 12479459564 is 46595497421.

It is a super-2 number, since 2×12479459564² (a number of 21 digits) contains 22 as substring.

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, 831689 + ... + 846560.

It is an arithmetic number, because the mean of its divisors is an integer number (716612750).

Almost surely, 2^12479459564 is an apocalyptic number.

It is an amenable number.

12479459564 is an abundant number, since it is smaller than the sum of its proper divisors (13318599436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12479459564 is a wasteful number, since it uses less digits than its factorization.

12479459564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1678290 (or 1678275 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 56.

The spelling of 12479459564 in words is "twelve billion, four hundred seventy-nine million, four hundred fifty-nine thousand, five hundred sixty-four".