13957969574 has 16 divisors (see below), whose sum is σ = 21065671536. Its totient is φ = 6936127200.

The previous prime is 13957969567. The next prime is 13957969579. The reversal of 13957969574 is 47596975931.

It is a self number, because there is not a number n which added to its sum of digits gives 13957969574.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13957969579) 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 7 ways as a sum of consecutive naturals, for example, 619169 + ... + 641315.

It is an arithmetic number, because the mean of its divisors is an integer number (1316604471).

Almost surely, 2^13957969574 is an apocalyptic number.

13957969574 is a deficient number, since it is larger than the sum of its proper divisors (7107701962).

13957969574 is a wasteful number, since it uses less digits than its factorization.

13957969574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24071.

The product of its digits is 64297800, while the sum is 65.

The spelling of 13957969574 in words is "thirteen billion, nine hundred fifty-seven million, nine hundred sixty-nine thousand, five hundred seventy-four".