12409554564 has 48 divisors (see below), whose sum is σ = 35097733440. Its totient is φ = 3760470720.

The previous prime is 12409554523. The next prime is 12409554613. The reversal of 12409554564 is 46545590421.

12409554564 is a `hidden beast` number, since 1 + 2 + 40 + 9 + 5 + 545 + 64 = 666.

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, 5221689 + ... + 5224064.

It is an arithmetic number, because the mean of its divisors is an integer number (731202780).

Almost surely, 2^12409554564 is an apocalyptic number.

It is an amenable number.

12409554564 is an abundant number, since it is smaller than the sum of its proper divisors (22688178876).

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

12409554564 is a wasteful number, since it uses less digits than its factorization.

12409554564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10445777 (or 10445769 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The spelling of 12409554564 in words is "twelve billion, four hundred nine million, five hundred fifty-four thousand, five hundred sixty-four".