18427310734 has 32 divisors (see below), whose sum is σ = 32247072000. Its totient is φ = 7894305720.

The previous prime is 18427310719. The next prime is 18427310747. The reversal of 18427310734 is 43701372481.

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, 2885557 + ... + 2891935.

It is an arithmetic number, because the mean of its divisors is an integer number (1007721000).

Almost surely, 2^18427310734 is an apocalyptic number.

18427310734 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18427310734 is a deficient number, since it is larger than the sum of its proper divisors (13819761266).

18427310734 is an equidigital number, since it uses as much as digits as its factorization.

18427310734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10613 (or 10599 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The spelling of 18427310734 in words is "eighteen billion, four hundred twenty-seven million, three hundred ten thousand, seven hundred thirty-four".