5642996731 has 2 divisors, whose sum is σ = 5642996732. Its totient is φ = 5642996730.

The previous prime is 5642996701. The next prime is 5642996753. The reversal of 5642996731 is 1376992465.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5642996731 - 2⁵ = 5642996699 is a prime.

It is a super-2 number, since 2×5642996731² = 63686824212153372722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5642996701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2821498365 + 2821498366.

It is an arithmetic number, because the mean of its divisors is an integer number (2821498366).

Almost surely, 2^5642996731 is an apocalyptic number.

5642996731 is a deficient number, since it is larger than the sum of its proper divisors (1).

5642996731 is an equidigital number, since it uses as much as digits as its factorization.

5642996731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2449440, while the sum is 52.

The square root of 5642996731 is about 75119.8823947429. The cubic root of 5642996731 is about 1780.3412983349.

The spelling of 5642996731 in words is "five billion, six hundred forty-two million, nine hundred ninety-six thousand, seven hundred thirty-one".