5637974957 has 2 divisors, whose sum is σ = 5637974958. Its totient is φ = 5637974956.

The previous prime is 5637974897. The next prime is 5637974983. The reversal of 5637974957 is 7594797365.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3723562441 + 1914412516 = 61021^2 + 43754^2 .

It is a cyclic number.

It is not a de Polignac number, because 5637974957 - 2⁸ = 5637974701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5637974957.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5637974857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2818987478 + 2818987479.

It is an arithmetic number, because the mean of its divisors is an integer number (2818987479).

Almost surely, 2^5637974957 is an apocalyptic number.

It is an amenable number.

5637974957 is a deficient number, since it is larger than the sum of its proper divisors (1).

5637974957 is an equidigital number, since it uses as much as digits as its factorization.

5637974957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50009400, while the sum is 62.

The square root of 5637974957 is about 75086.4498894441. The cubic root of 5637974957 is about 1779.8130255358.

The spelling of 5637974957 in words is "five billion, six hundred thirty-seven million, nine hundred seventy-four thousand, nine hundred fifty-seven".