13945445764 has 24 divisors (see below), whose sum is σ = 24962515200. Its totient is φ = 6813759936.

The previous prime is 13945445741. The next prime is 13945445771. The reversal of 13945445764 is 46754454931.

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, 64312 + ... + 178960.

It is an arithmetic number, because the mean of its divisors is an integer number (1040104800).

Almost surely, 2^13945445764 is an apocalyptic number.

It is an amenable number.

13945445764 is a deficient number, since it is larger than the sum of its proper divisors (11017069436).

13945445764 is a wasteful number, since it uses less digits than its factorization.

13945445764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115347 (or 115345 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 52.

The spelling of 13945445764 in words is "thirteen billion, nine hundred forty-five million, four hundred forty-five thousand, seven hundred sixty-four".