13881913750 has 20 divisors (see below), whose sum is σ = 26020261476. Its totient is φ = 5552765000.

The previous prime is 13881913711. The next prime is 13881913769. The reversal of 13881913750 is 5731918831.

It is a self number, because there is not a number n which added to its sum of digits gives 13881913750.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5551516 + ... + 5554015.

Almost surely, 2^13881913750 is an apocalyptic number.

13881913750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13881913750 is a deficient number, since it is larger than the sum of its proper divisors (12138347726).

13881913750 is an equidigital number, since it uses as much as digits as its factorization.

13881913750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11105553 (or 11105538 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 46.

The spelling of 13881913750 in words is "thirteen billion, eight hundred eighty-one million, nine hundred thirteen thousand, seven hundred fifty".