15349694017464 has 64 divisors (see below), whose sum is σ = 42692217350400. Its totient is φ = 5110063263072.

The previous prime is 15349694017423. The next prime is 15349694017543. The reversal of 15349694017464 is 46471049694351.

It is a happy number.

15349694017464 is a `hidden beast` number, since 1 + 5 + 3 + 49 + 69 + 401 + 74 + 64 = 666.

It is a super-2 number, since 2×15349694017464² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 44978292 + ... + 45318275.

It is an arithmetic number, because the mean of its divisors is an integer number (667065896100).

Almost surely, 2^{15349694017464} is an apocalyptic number.

It is an amenable number.

15349694017464 is an abundant number, since it is smaller than the sum of its proper divisors (27342523332936).

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

15349694017464 is a wasteful number, since it uses less digits than its factorization.

15349694017464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90297369 (or 90297359 counting only the distinct ones).

The product of its (nonzero) digits is 78382080, while the sum is 63.

The spelling of 15349694017464 in words is "fifteen trillion, three hundred forty-nine billion, six hundred ninety-four million, seventeen thousand, four hundred sixty-four".