13913981819107 has 24 divisors (see below), whose sum is σ = 15424904290176. Its totient is φ = 12494580000000.

The previous prime is 13913981819099. The next prime is 13913981819137. The reversal of 13913981819107 is 70191818931931.

It is not a de Polignac number, because 13913981819107 - 2³ = 13913981819099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13913981819137) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37857 + ... + 5275357.

It is an arithmetic number, because the mean of its divisors is an integer number (642704345424).

Almost surely, 2^{13913981819107} is an apocalyptic number.

13913981819107 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

13913981819107 is a deficient number, since it is larger than the sum of its proper divisors (1510922471069).

13913981819107 is an equidigital number, since it uses as much as digits as its factorization.

13913981819107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5237691 (or 5237620 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 61.

The spelling of 13913981819107 in words is "thirteen trillion, nine hundred thirteen billion, nine hundred eighty-one million, eight hundred nineteen thousand, one hundred seven".