13775803917 has 32 divisors (see below), whose sum is σ = 19072972800. Its totient is φ = 8839056768.

The previous prime is 13775803913. The next prime is 13775803949. The reversal of 13775803917 is 71930857731.

It is not a de Polignac number, because 13775803917 - 2² = 13775803913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13775803917.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13775803913) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2093809 + ... + 2100377.

It is an arithmetic number, because the mean of its divisors is an integer number (596030400).

Almost surely, 2^13775803917 is an apocalyptic number.

It is an amenable number.

13775803917 is a deficient number, since it is larger than the sum of its proper divisors (5297168883).

13775803917 is a wasteful number, since it uses less digits than its factorization.

13775803917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6865.

The product of its (nonzero) digits is 1111320, while the sum is 51.

The spelling of 13775803917 in words is "thirteen billion, seven hundred seventy-five million, eight hundred three thousand, nine hundred seventeen".