18471958674 has 32 divisors (see below), whose sum is σ = 41515576704. Its totient is φ = 5436562560.

The previous prime is 18471958667. The next prime is 18471958679. The reversal of 18471958674 is 47685917481.

It is not an unprimeable number, because it can be changed into a prime (18471958679) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5146467 + ... + 5150054.

It is an arithmetic number, because the mean of its divisors is an integer number (1297361772).

Almost surely, 2^18471958674 is an apocalyptic number.

18471958674 is an abundant number, since it is smaller than the sum of its proper divisors (23043618030).

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

18471958674 is a wasteful number, since it uses less digits than its factorization.

18471958674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10296562.

The product of its digits is 13547520, while the sum is 60.

The spelling of 18471958674 in words is "eighteen billion, four hundred seventy-one million, nine hundred fifty-eight thousand, six hundred seventy-four".