18914359944704 has 80 divisors (see below), whose sum is σ = 45731227040928. Its totient is φ = 7629321633792.

The previous prime is 18914359944691. The next prime is 18914359944709. The reversal of 18914359944704 is 40744995341981.

It is a Harshad number since it is a multiple of its sum of digits (68).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18914359944709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155158019 + ... + 155279874.

Almost surely, 2^{18914359944704} is an apocalyptic number.

18914359944704 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

18914359944704 is an abundant number, since it is smaller than the sum of its proper divisors (26816867096224).

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

18914359944704 is an equidigital number, since it uses as much as digits as its factorization.

18914359944704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310437935 (or 310437919 counting only the distinct ones).

The product of its (nonzero) digits is 156764160, while the sum is 68.

The spelling of 18914359944704 in words is "eighteen trillion, nine hundred fourteen billion, three hundred fifty-nine million, nine hundred forty-four thousand, seven hundred four".