12953044564 has 12 divisors (see below), whose sum is σ = 22748498388. Its totient is φ = 6453473600.

The previous prime is 12953044543. The next prime is 12953044589. The reversal of 12953044564 is 46544035921.

It can be written as a sum of positive squares in 2 ways, for example, as 5575608900 + 7377435664 = 74670^2 + 85892^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12953044564.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5760907 + ... + 5763154.

It is an arithmetic number, because the mean of its divisors is an integer number (1895708199).

Almost surely, 2^12953044564 is an apocalyptic number.

It is an amenable number.

12953044564 is a deficient number, since it is larger than the sum of its proper divisors (9795453824).

12953044564 is a wasteful number, since it uses less digits than its factorization.

12953044564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11524346 (or 11524344 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 12953044564 in words is "twelve billion, nine hundred fifty-three million, forty-four thousand, five hundred sixty-four".