71694256964 has 12 divisors (see below), whose sum is σ = 136870854288. Its totient is φ = 32588298600.

The previous prime is 71694256897. The next prime is 71694256973. The reversal of 71694256964 is 46965249617.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 814707422 + ... + 814707509.

It is an arithmetic number, because the mean of its divisors is an integer number (11405904524).

Almost surely, 2^71694256964 is an apocalyptic number.

It is an amenable number.

71694256964 is a deficient number, since it is larger than the sum of its proper divisors (65176597324).

71694256964 is a wasteful number, since it uses less digits than its factorization.

71694256964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1629414946 (or 1629414944 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 59.

The spelling of 71694256964 in words is "seventy-one billion, six hundred ninety-four million, two hundred fifty-six thousand, nine hundred sixty-four".