13964656556 has 24 divisors (see below), whose sum is σ = 26146086960. Its totient is φ = 6506395200.

The previous prime is 13964656543. The next prime is 13964656561. The reversal of 13964656556 is 65565646931.

It is a happy number.

It is a super-2 number, since 2×13964656556² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1501475 + ... + 1510746.

It is an arithmetic number, because the mean of its divisors is an integer number (1089420290).

Almost surely, 2^13964656556 is an apocalyptic number.

It is an amenable number.

13964656556 is a deficient number, since it is larger than the sum of its proper divisors (12181430404).

13964656556 is a wasteful number, since it uses less digits than its factorization.

13964656556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3012305 (or 3012303 counting only the distinct ones).

The product of its digits is 17496000, while the sum is 56.

The spelling of 13964656556 in words is "thirteen billion, nine hundred sixty-four million, six hundred fifty-six thousand, five hundred fifty-six".