1971793596 has 12 divisors (see below), whose sum is σ = 4600851752. Its totient is φ = 657264528.

The previous prime is 1971793589. The next prime is 1971793661. The reversal of 1971793596 is 6953971791.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1971793596² = 7775939970453222432, which contains 22 as substring.

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, 82158055 + ... + 82158078.

Almost surely, 2^1971793596 is an apocalyptic number.

It is an amenable number.

1971793596 is an abundant number, since it is smaller than the sum of its proper divisors (2629058156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1971793596 is a wasteful number, since it uses less digits than its factorization.

1971793596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164316140 (or 164316138 counting only the distinct ones).

The product of its digits is 3214890, while the sum is 57.

The square root of 1971793596 is about 44404.8825693752. The cubic root of 1971793596 is about 1253.9700116707.

The spelling of 1971793596 in words is "one billion, nine hundred seventy-one million, seven hundred ninety-three thousand, five hundred ninety-six".