13950882081999 has 12 divisors (see below), whose sum is σ = 20158685435200. Its totient is φ = 9297167446944.

The previous prime is 13950882081989. The next prime is 13950882082019. The reversal of 13950882081999 is 99918028805931.

It is a happy number.

13950882081999 is a `hidden beast` number, since 1 + 3 + 9 + 508 + 8 + 20 + 8 + 1 + 9 + 99 = 666.

It is not a de Polignac number, because 13950882081999 - 2¹¹ = 13950882079951 is a prime.

It is a super-2 number, since 2×13950882081999² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13950882081989) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 285024814 + ... + 285073755.

Almost surely, 2^{13950882081999} is an apocalyptic number.

13950882081999 is a deficient number, since it is larger than the sum of its proper divisors (6207803353201).

13950882081999 is a wasteful number, since it uses less digits than its factorization.

13950882081999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570101294 (or 570101291 counting only the distinct ones).

The product of its (nonzero) digits is 100776960, while the sum is 72.

The spelling of 13950882081999 in words is "thirteen trillion, nine hundred fifty billion, eight hundred eighty-two million, eighty-one thousand, nine hundred ninety-nine".