1968492864392 has 16 divisors (see below), whose sum is σ = 3692734315200. Its totient is φ = 983763713680.

The previous prime is 1968492864337. The next prime is 1968492864449. The reversal of 1968492864392 is 2934682948691.

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, 60322484 + ... + 60355107.

It is an arithmetic number, because the mean of its divisors is an integer number (230795894700).

Almost surely, 2^{1968492864392} is an apocalyptic number.

It is an amenable number.

1968492864392 is a deficient number, since it is larger than the sum of its proper divisors (1724241450808).

1968492864392 is a wasteful number, since it uses less digits than its factorization.

1968492864392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120679636 (or 120679632 counting only the distinct ones).

The product of its digits is 322486272, while the sum is 71.

The spelling of 1968492864392 in words is "one trillion, nine hundred sixty-eight billion, four hundred ninety-two million, eight hundred sixty-four thousand, three hundred ninety-two".