15434460564 has 12 divisors (see below), whose sum is σ = 36013741344. Its totient is φ = 5144820184.

The previous prime is 15434460529. The next prime is 15434460577. The reversal of 15434460564 is 46506443451.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

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, 643102512 + ... + 643102535.

It is an arithmetic number, because the mean of its divisors is an integer number (3001145112).

Almost surely, 2^15434460564 is an apocalyptic number.

It is an amenable number.

15434460564 is an abundant number, since it is smaller than the sum of its proper divisors (20579280780).

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

15434460564 is a wasteful number, since it uses less digits than its factorization.

15434460564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286205054 (or 1286205052 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 15434460564 in words is "fifteen billion, four hundred thirty-four million, four hundred sixty thousand, five hundred sixty-four".