4937975657 has 2 divisors, whose sum is σ = 4937975658. Its totient is φ = 4937975656.

The previous prime is 4937975629. The next prime is 4937975723. The reversal of 4937975657 is 7565797394.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2644427776 + 2293547881 = 51424^2 + 47891^2 .

It is a cyclic number.

It is not a de Polignac number, because 4937975657 - 2⁸ = 4937975401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4937975657.

It is not a weakly prime, because it can be changed into another prime (4937975257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2468987828 + 2468987829.

It is an arithmetic number, because the mean of its divisors is an integer number (2468987829).

Almost surely, 2^4937975657 is an apocalyptic number.

It is an amenable number.

4937975657 is a deficient number, since it is larger than the sum of its proper divisors (1).

4937975657 is an equidigital number, since it uses as much as digits as its factorization.

4937975657 is an evil number, because the sum of its binary digits is even.

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

The square root of 4937975657 is about 70270.7311545853. The cubic root of 4937975657 is about 1702.8758309294.

The spelling of 4937975657 in words is "four billion, nine hundred thirty-seven million, nine hundred seventy-five thousand, six hundred fifty-seven".