13917344393892 has 12 divisors (see below), whose sum is σ = 32473803585776. Its totient is φ = 4639114797960.

The previous prime is 13917344393891. The next prime is 13917344393899. The reversal of 13917344393892 is 29839344371931.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (13917344393891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 579889349734 + ... + 579889349757.

Almost surely, 2^{13917344393892} is an apocalyptic number.

13917344393892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13917344393892 is an abundant number, since it is smaller than the sum of its proper divisors (18556459191884).

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

13917344393892 is a wasteful number, since it uses less digits than its factorization.

13917344393892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159778699498 (or 1159778699496 counting only the distinct ones).

The product of its digits is 105815808, while the sum is 66.

The spelling of 13917344393892 in words is "thirteen trillion, nine hundred seventeen billion, three hundred forty-four million, three hundred ninety-three thousand, eight hundred ninety-two".