5716457991 has 12 divisors (see below), whose sum is σ = 8269759368. Its totient is φ = 3805131984.

The previous prime is 5716457977. The next prime is 5716458061. The reversal of 5716457991 is 1997546175.

5716457991 is a `hidden beast` number, since 5 + 7 + 1 + 64 + 579 + 9 + 1 = 666.

It is not a de Polignac number, because 5716457991 - 2⁵ = 5716457959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5716457951) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 480465 + ... + 492218.

It is an arithmetic number, because the mean of its divisors is an integer number (689146614).

Almost surely, 2^5716457991 is an apocalyptic number.

5716457991 is a deficient number, since it is larger than the sum of its proper divisors (2553301377).

5716457991 is a wasteful number, since it uses less digits than its factorization.

5716457991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973342 (or 973339 counting only the distinct ones).

The product of its digits is 2381400, while the sum is 54.

The square root of 5716457991 is about 75607.2614964991. The cubic root of 5716457991 is about 1788.0335855064.

The spelling of 5716457991 in words is "five billion, seven hundred sixteen million, four hundred fifty-seven thousand, nine hundred ninety-one".