18375969974 has 8 divisors (see below), whose sum is σ = 27565872048. Its totient is φ = 9187345960.

The previous prime is 18375969943. The next prime is 18375970001. The reversal of 18375969974 is 47996957381.

18375969974 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 282722 + ... + 341589.

It is an arithmetic number, because the mean of its divisors is an integer number (3445734006).

Almost surely, 2^18375969974 is an apocalyptic number.

18375969974 is a deficient number, since it is larger than the sum of its proper divisors (9189902074).

18375969974 is a wasteful number, since it uses less digits than its factorization.

18375969974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639030.

The product of its digits is 102876480, while the sum is 68.

The spelling of 18375969974 in words is "eighteen billion, three hundred seventy-five million, nine hundred sixty-nine thousand, nine hundred seventy-four".