1031972791964 has 12 divisors (see below), whose sum is σ = 1809722644800. Its totient is φ = 514909179168.

The previous prime is 1031972791961. The next prime is 1031972791979. The reversal of 1031972791964 is 4691972791301.

It is a happy number.

1031972791964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031972791961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269302049 + ... + 269305880.

It is an arithmetic number, because the mean of its divisors is an integer number (150810220400).

Almost surely, 2^{1031972791964} is an apocalyptic number.

It is an amenable number.

1031972791964 is a deficient number, since it is larger than the sum of its proper divisors (777749852836).

1031972791964 is a wasteful number, since it uses less digits than its factorization.

1031972791964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538608412 (or 538608410 counting only the distinct ones).

The product of its (nonzero) digits is 5143824, while the sum is 59.

The spelling of 1031972791964 in words is "one trillion, thirty-one billion, nine hundred seventy-two million, seven hundred ninety-one thousand, nine hundred sixty-four".