18946105734 has 16 divisors (see below), whose sum is σ = 37907956800. Its totient is φ = 6312744360.

The previous prime is 18946105727. The next prime is 18946105757. The reversal of 18946105734 is 43750164981.

It is a congruent 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, 640384 + ... + 669315.

It is an arithmetic number, because the mean of its divisors is an integer number (2369247300).

Almost surely, 2^18946105734 is an apocalyptic number.

18946105734 is an abundant number, since it is smaller than the sum of its proper divisors (18961851066).

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

18946105734 is a wasteful number, since it uses less digits than its factorization.

18946105734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312115.

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 18946105734 in words is "eighteen billion, nine hundred forty-six million, one hundred five thousand, seven hundred thirty-four".