13595973064 has 8 divisors (see below), whose sum is σ = 25492449510. Its totient is φ = 6797986528.

The previous prime is 13595973019. The next prime is 13595973071. The reversal of 13595973064 is 46037959531.

It can be written as a sum of positive squares in only one way, i.e., 9125980900 + 4469992164 = 95530^2 + 66858^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 849748309 + ... + 849748324.

Almost surely, 2^13595973064 is an apocalyptic number.

It is an amenable number.

13595973064 is a deficient number, since it is larger than the sum of its proper divisors (11896476446).

13595973064 is a wasteful number, since it uses less digits than its factorization.

13595973064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1699496639 (or 1699496635 counting only the distinct ones).

The product of its (nonzero) digits is 3061800, while the sum is 52.

The spelling of 13595973064 in words is "thirteen billion, five hundred ninety-five million, nine hundred seventy-three thousand, sixty-four".