13909103838693 has 48 divisors (see below), whose sum is σ = 23216581729536. Its totient is φ = 7859800915200.

The previous prime is 13909103838691. The next prime is 13909103838713. The reversal of 13909103838693 is 39683830190931.

13909103838693 is a `hidden beast` number, since 1 + 3 + 9 + 0 + 91 + 0 + 383 + 86 + 93 = 666.

It is not a de Polignac number, because 13909103838693 - 2¹ = 13909103838691 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 13909103838693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13909103838691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3908721 + ... + 6564777.

It is an arithmetic number, because the mean of its divisors is an integer number (483678786032).

Almost surely, 2^{13909103838693} is an apocalyptic number.

It is an amenable number.

13909103838693 is a deficient number, since it is larger than the sum of its proper divisors (9307477890843).

13909103838693 is a wasteful number, since it uses less digits than its factorization.

13909103838693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2656994 (or 2656991 counting only the distinct ones).

The product of its (nonzero) digits is 22674816, while the sum is 63.

The spelling of 13909103838693 in words is "thirteen trillion, nine hundred nine billion, one hundred three million, eight hundred thirty-eight thousand, six hundred ninety-three".