18329941734 has 64 divisors (see below), whose sum is σ = 39764148480. Its totient is φ = 5599520640.

The previous prime is 18329941717. The next prime is 18329941781. The reversal of 18329941734 is 43714992381.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7452997 + ... + 7455455.

It is an arithmetic number, because the mean of its divisors is an integer number (621314820).

Almost surely, 2^18329941734 is an apocalyptic number.

18329941734 is an abundant number, since it is smaller than the sum of its proper divisors (21434206746).

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

18329941734 is a wasteful number, since it uses less digits than its factorization.

18329941734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3125.

The product of its digits is 1306368, while the sum is 51.

The spelling of 18329941734 in words is "eighteen billion, three hundred twenty-nine million, nine hundred forty-one thousand, seven hundred thirty-four".