3688412657 has 2 divisors, whose sum is σ = 3688412658. Its totient is φ = 3688412656.

The previous prime is 3688412597. The next prime is 3688412683. The reversal of 3688412657 is 7562148863.

3688412657 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3094808161 + 593604496 = 55631^2 + 24364^2 .

It is a cyclic number.

It is not a de Polignac number, because 3688412657 - 2⁸ = 3688412401 is a prime.

It is not a weakly prime, because it can be changed into another prime (3688412957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1844206328 + 1844206329.

It is an arithmetic number, because the mean of its divisors is an integer number (1844206329).

Almost surely, 2^3688412657 is an apocalyptic number.

It is an amenable number.

3688412657 is a deficient number, since it is larger than the sum of its proper divisors (1).

3688412657 is an equidigital number, since it uses as much as digits as its factorization.

3688412657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1935360, while the sum is 50.

The square root of 3688412657 is about 60732.3032413558. The cubic root of 3688412657 is about 1545.0640983311.

The spelling of 3688412657 in words is "three billion, six hundred eighty-eight million, four hundred twelve thousand, six hundred fifty-seven".