3926996657 has 2 divisors, whose sum is σ = 3926996658. Its totient is φ = 3926996656.

The previous prime is 3926996611. The next prime is 3926996683. The reversal of 3926996657 is 7566996293.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2864497441 + 1062499216 = 53521^2 + 32596^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3926996657 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3926996657.

It is not a weakly prime, because it can be changed into another prime (3926990657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1963498328 + 1963498329.

It is an arithmetic number, because the mean of its divisors is an integer number (1963498329).

Almost surely, 2^3926996657 is an apocalyptic number.

It is an amenable number.

3926996657 is a deficient number, since it is larger than the sum of its proper divisors (1).

3926996657 is an equidigital number, since it uses as much as digits as its factorization.

3926996657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33067440, while the sum is 62.

The square root of 3926996657 is about 62665.7534623178. The cubic root of 3926996657 is about 1577.6845667331.

The spelling of 3926996657 in words is "three billion, nine hundred twenty-six million, nine hundred ninety-six thousand, six hundred fifty-seven".