18372452902 has 8 divisors (see below), whose sum is σ = 27605154456. Its totient is φ = 9170734752.

The previous prime is 18372452899. The next prime is 18372452909. The reversal of 18372452902 is 20925427381.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18372452909) 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, 7744368 + ... + 7746739.

It is an arithmetic number, because the mean of its divisors is an integer number (3450644307).

Almost surely, 2^18372452902 is an apocalyptic number.

18372452902 is a deficient number, since it is larger than the sum of its proper divisors (9232701554).

18372452902 is a wasteful number, since it uses less digits than its factorization.

18372452902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15491702.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 18372452902 in words is "eighteen billion, three hundred seventy-two million, four hundred fifty-two thousand, nine hundred two".