13942860063981 has 16 divisors (see below), whose sum is σ = 18604406378688. Its totient is φ = 9288279504000.

The previous prime is 13942860063883. The next prime is 13942860063983. The reversal of 13942860063981 is 18936006824931.

It is not a de Polignac number, because 13942860063981 - 2²⁷ = 13942725846253 is a prime.

It is a super-2 number, since 2×13942860063981² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13942860063983) 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 15 ways as a sum of consecutive naturals, for example, 21238795 + ... + 21885431.

It is an arithmetic number, because the mean of its divisors is an integer number (1162775398668).

Almost surely, 2^{13942860063981} is an apocalyptic number.

It is an amenable number.

13942860063981 is a deficient number, since it is larger than the sum of its proper divisors (4661546314707).

13942860063981 is a wasteful number, since it uses less digits than its factorization.

13942860063981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652012.

The product of its (nonzero) digits is 13436928, while the sum is 60.

The spelling of 13942860063981 in words is "thirteen trillion, nine hundred forty-two billion, eight hundred sixty million, sixty-three thousand, nine hundred eighty-one".