571958879091968 has 18 divisors (see below), whose sum is σ = 1141683543812994. Its totient is φ = 285979439545856.

The previous prime is 571958879091967. The next prime is 571958879091991. The reversal of 571958879091968 is 869190978859175.

It can be written as a sum of positive squares in only one way, i.e., 473913394280704 + 98045484811264 = 21769552^2 + 9901792^2 .

It is a super-2 number, since 2×571958879091968² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (571958879091967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1117107185471 + ... + 1117107185982.

Almost surely, 2^{571958879091968} is an apocalyptic number.

It is an amenable number.

571958879091968 is a deficient number, since it is larger than the sum of its proper divisors (569724664721026).

571958879091968 is an equidigital number, since it uses as much as digits as its factorization.

571958879091968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2234214371469 (or 2234214371455 counting only the distinct ones).

The product of its (nonzero) digits is 24690355200, while the sum is 92.

The spelling of 571958879091968 in words is "five hundred seventy-one trillion, nine hundred fifty-eight billion, eight hundred seventy-nine million, ninety-one thousand, nine hundred sixty-eight".