15379344097664 has 32 divisors (see below), whose sum is σ = 30640392226440. Its totient is φ = 7689206440960.

The previous prime is 15379344097661. The next prime is 15379344097693. The reversal of 15379344097664 is 46679044397351.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 15379344097594 and 15379344097603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15379344097661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1510502 + ... + 5748069.

Almost surely, 2^{15379344097664} is an apocalyptic number.

It is an amenable number.

15379344097664 is a deficient number, since it is larger than the sum of its proper divisors (15261048128776).

15379344097664 is an equidigital number, since it uses as much as digits as its factorization.

15379344097664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7275138 (or 7275126 counting only the distinct ones).

The product of its (nonzero) digits is 411505920, while the sum is 68.

The spelling of 15379344097664 in words is "fifteen trillion, three hundred seventy-nine billion, three hundred forty-four million, ninety-seven thousand, six hundred sixty-four".