13918336784 has 40 divisors (see below), whose sum is σ = 29973385152. Its totient is φ = 6207144320.

The previous prime is 13918336769. The next prime is 13918336811. The reversal of 13918336784 is 48763381931.

It is a Harshad number since it is a multiple of its sum of digits (53).

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, 736724 + ... + 755379.

Almost surely, 2^13918336784 is an apocalyptic number.

It is an amenable number.

13918336784 is an abundant number, since it is smaller than the sum of its proper divisors (16055048368).

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

13918336784 is a wasteful number, since it uses less digits than its factorization.

13918336784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492175 (or 1492169 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 53.

The spelling of 13918336784 in words is "thirteen billion, nine hundred eighteen million, three hundred thirty-six thousand, seven hundred eighty-four".