15479574368973 has 32 divisors (see below), whose sum is σ = 24402169099392. Its totient is φ = 8604743097600.

The previous prime is 15479574368971. The next prime is 15479574369013. The reversal of 15479574368973 is 37986347597451.

It is not a de Polignac number, because 15479574368973 - 2¹ = 15479574368971 is a prime.

It is a super-2 number, since 2×15479574368973² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15479574368971) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 114846418 + ... + 114981123.

It is an arithmetic number, because the mean of its divisors is an integer number (762567784356).

Almost surely, 2^{15479574368973} is an apocalyptic number.

15479574368973 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

15479574368973 is a deficient number, since it is larger than the sum of its proper divisors (8922594730419).

15479574368973 is a wasteful number, since it uses less digits than its factorization.

15479574368973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229827725.

The product of its digits is 4800902400, while the sum is 78.

The spelling of 15479574368973 in words is "fifteen trillion, four hundred seventy-nine billion, five hundred seventy-four million, three hundred sixty-eight thousand, nine hundred seventy-three".