64192331956 has 12 divisors (see below), whose sum is σ = 113758563520. Its totient is φ = 31689885240.

The previous prime is 64192331941. The next prime is 64192331963. The reversal of 64192331956 is 65913329146.

It is a congruent number.

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, 101569830 + ... + 101570461.

Almost surely, 2^64192331956 is an apocalyptic number.

It is an amenable number.

64192331956 is a deficient number, since it is larger than the sum of its proper divisors (49566231564).

64192331956 is a wasteful number, since it uses less digits than its factorization.

64192331956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203140374 (or 203140372 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 49.

The spelling of 64192331956 in words is "sixty-four billion, one hundred ninety-two million, three hundred thirty-one thousand, nine hundred fifty-six".