4985797057 has 2 divisors, whose sum is σ = 4985797058. Its totient is φ = 4985797056.

The previous prime is 4985797039. The next prime is 4985797097. The reversal of 4985797057 is 7507975894.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4855859856 + 129937201 = 69684^2 + 11399^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4985797057 is a prime.

It is a super-2 number, since 2×4985797057² = 49716344587179722498, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4985796986 and 4985797004.

It is not a weakly prime, because it can be changed into another prime (4985797007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2492898528 + 2492898529.

It is an arithmetic number, because the mean of its divisors is an integer number (2492898529).

Almost surely, 2^4985797057 is an apocalyptic number.

It is an amenable number.

4985797057 is a deficient number, since it is larger than the sum of its proper divisors (1).

4985797057 is an equidigital number, since it uses as much as digits as its factorization.

4985797057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22226400, while the sum is 61.

The square root of 4985797057 is about 70610.1767240389. The cubic root of 4985797057 is about 1708.3552984482.

The spelling of 4985797057 in words is "four billion, nine hundred eighty-five million, seven hundred ninety-seven thousand, fifty-seven".