18734602674 has 16 divisors (see below), whose sum is σ = 38083455360. Its totient is φ = 6142492560.

The previous prime is 18734602669. The next prime is 18734602687. The reversal of 18734602674 is 47620643781.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25593354 + ... + 25594085.

It is an arithmetic number, because the mean of its divisors is an integer number (2380215960).

Almost surely, 2^18734602674 is an apocalyptic number.

18734602674 is an abundant number, since it is smaller than the sum of its proper divisors (19348852686).

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

18734602674 is a wasteful number, since it uses less digits than its factorization.

18734602674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51187505.

The product of its (nonzero) digits is 1354752, while the sum is 48.

The spelling of 18734602674 in words is "eighteen billion, seven hundred thirty-four million, six hundred two thousand, six hundred seventy-four".