13912635509994 has 16 divisors (see below), whose sum is σ = 29965676483232. Its totient is φ = 4280810926128.

The previous prime is 13912635509959. The next prime is 13912635510041. The reversal of 13912635509994 is 49990553621931.

13912635509994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13912635509994² (a number of 27 digits) contains 22 as substring.

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, 89183560884 + ... + 89183561039.

It is an arithmetic number, because the mean of its divisors is an integer number (1872854780202).

Almost surely, 2^{13912635509994} is an apocalyptic number.

13912635509994 is an abundant number, since it is smaller than the sum of its proper divisors (16053040973238).

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

13912635509994 is a wasteful number, since it uses less digits than its factorization.

13912635509994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178367121941.

The product of its (nonzero) digits is 70858800, while the sum is 66.

The spelling of 13912635509994 in words is "thirteen trillion, nine hundred twelve billion, six hundred thirty-five million, five hundred nine thousand, nine hundred ninety-four".