13964443264 has 32 divisors (see below), whose sum is σ = 27826856640. Its totient is φ = 6980448000.

The previous prime is 13964443249. The next prime is 13964443271. The reversal of 13964443264 is 46234446931.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 596647 + ... + 619609.

It is an arithmetic number, because the mean of its divisors is an integer number (869589270).

Almost surely, 2^13964443264 is an apocalyptic number.

It is an amenable number.

13964443264 is a deficient number, since it is larger than the sum of its proper divisors (13862413376).

13964443264 is an equidigital number, since it uses as much as digits as its factorization.

13964443264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27728 (or 27716 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 46.

The spelling of 13964443264 in words is "thirteen billion, nine hundred sixty-four million, four hundred forty-three thousand, two hundred sixty-four".