5657937457 has 2 divisors, whose sum is σ = 5657937458. Its totient is φ = 5657937456.

The previous prime is 5657937451. The next prime is 5657937563. The reversal of 5657937457 is 7547397565.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5358093601 + 299843856 = 73199^2 + 17316^2 .

It is a cyclic number.

It is not a de Polignac number, because 5657937457 - 2³ = 5657937449 is a prime.

It is not a weakly prime, because it can be changed into another prime (5657937451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2828968728 + 2828968729.

It is an arithmetic number, because the mean of its divisors is an integer number (2828968729).

Almost surely, 2^5657937457 is an apocalyptic number.

It is an amenable number.

5657937457 is a deficient number, since it is larger than the sum of its proper divisors (1).

5657937457 is an equidigital number, since it uses as much as digits as its factorization.

5657937457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27783000, while the sum is 58.

The square root of 5657937457 is about 75219.2625395915. The cubic root of 5657937457 is about 1781.9111586839.

The spelling of 5657937457 in words is "five billion, six hundred fifty-seven million, nine hundred thirty-seven thousand, four hundred fifty-seven".