5001656657 has 2 divisors, whose sum is σ = 5001656658. Its totient is φ = 5001656656.

The previous prime is 5001656641. The next prime is 5001656677. The reversal of 5001656657 is 7566561005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3120786496 + 1880870161 = 55864^2 + 43369^2 .

It is a cyclic number.

It is not a de Polignac number, because 5001656657 - 2⁴ = 5001656641 is a prime.

It is not a weakly prime, because it can be changed into another prime (5001656677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2500828328 + 2500828329.

It is an arithmetic number, because the mean of its divisors is an integer number (2500828329).

Almost surely, 2^5001656657 is an apocalyptic number.

It is an amenable number.

5001656657 is a deficient number, since it is larger than the sum of its proper divisors (1).

5001656657 is an equidigital number, since it uses as much as digits as its factorization.

5001656657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189000, while the sum is 41.

The square root of 5001656657 is about 70722.3914824718. The cubic root of 5001656657 is about 1710.1647820640.

The spelling of 5001656657 in words is "five billion, one million, six hundred fifty-six thousand, six hundred fifty-seven".