13940963577 has 24 divisors (see below), whose sum is σ = 21334251744. Its totient is φ = 8742029184.

The previous prime is 13940963557. The next prime is 13940963581. The reversal of 13940963577 is 77536904931.

It is a happy number.

13940963577 is a `hidden beast` number, since 1 + 3 + 9 + 4 + 0 + 9 + 63 + 577 = 666.

It is not a de Polignac number, because 13940963577 - 2⁸ = 13940963321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13940963557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 237178 + ... + 290060.

It is an arithmetic number, because the mean of its divisors is an integer number (888927156).

Almost surely, 2^13940963577 is an apocalyptic number.

13940963577 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

13940963577 is a deficient number, since it is larger than the sum of its proper divisors (7393288167).

13940963577 is a wasteful number, since it uses less digits than its factorization.

13940963577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54629 (or 54626 counting only the distinct ones).

The product of its (nonzero) digits is 4286520, while the sum is 54.

The spelling of 13940963577 in words is "thirteen billion, nine hundred forty million, nine hundred sixty-three thousand, five hundred seventy-seven".