4974448657 has 2 divisors, whose sum is σ = 4974448658. Its totient is φ = 4974448656.

The previous prime is 4974448559. The next prime is 4974448673. The reversal of 4974448657 is 7568444794.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2749534096 + 2224914561 = 52436^2 + 47169^2 .

It is a cyclic number.

It is not a de Polignac number, because 4974448657 - 2⁷ = 4974448529 is a prime.

It is a super-2 number, since 2×4974448657² = 49490278882258207298, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4974448057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2487224328 + 2487224329.

It is an arithmetic number, because the mean of its divisors is an integer number (2487224329).

Almost surely, 2^4974448657 is an apocalyptic number.

It is an amenable number.

4974448657 is a deficient number, since it is larger than the sum of its proper divisors (1).

4974448657 is an equidigital number, since it uses as much as digits as its factorization.

4974448657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27095040, while the sum is 58.

The square root of 4974448657 is about 70529.7714231373. The cubic root of 4974448657 is about 1707.0581586621.

The spelling of 4974448657 in words is "four billion, nine hundred seventy-four million, four hundred forty-eight thousand, six hundred fifty-seven".