13881902719 has 2 divisors, whose sum is σ = 13881902720. Its totient is φ = 13881902718.

The previous prime is 13881902711. The next prime is 13881902731. The reversal of 13881902719 is 91720918831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13881902719 - 2³ = 13881902711 is a prime.

It is a super-2 number, since 2×13881902719² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13881902711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6940951359 + 6940951360.

It is an arithmetic number, because the mean of its divisors is an integer number (6940951360).

Almost surely, 2^13881902719 is an apocalyptic number.

13881902719 is a deficient number, since it is larger than the sum of its proper divisors (1).

13881902719 is an equidigital number, since it uses as much as digits as its factorization.

13881902719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 49.

The spelling of 13881902719 in words is "thirteen billion, eight hundred eighty-one million, nine hundred two thousand, seven hundred nineteen".