13500504523974 has 32 divisors (see below), whose sum is σ = 29512009900800. Its totient is φ = 4092001369632.

The previous prime is 13500504523889. The next prime is 13500504524093. The reversal of 13500504523974 is 47932540500531.

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, 1291661874 + ... + 1291672325.

It is an arithmetic number, because the mean of its divisors is an integer number (922250309400).

Almost surely, 2^{13500504523974} is an apocalyptic number.

13500504523974 is an abundant number, since it is smaller than the sum of its proper divisors (16011505376826).

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

13500504523974 is a wasteful number, since it uses less digits than its factorization.

13500504523974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2583334284.

The product of its (nonzero) digits is 2268000, while the sum is 48.

The spelling of 13500504523974 in words is "thirteen trillion, five hundred billion, five hundred four million, five hundred twenty-three thousand, nine hundred seventy-four".