5000005657 has 2 divisors, whose sum is σ = 5000005658. Its totient is φ = 5000005656.

The previous prime is 5000005649. The next prime is 5000005679. The reversal of 5000005657 is 7565000005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3787294681 + 1212710976 = 61541^2 + 34824^2 .

It is a cyclic number.

It is not a de Polignac number, because 5000005657 - 2³ = 5000005649 is a prime.

It is not a weakly prime, because it can be changed into another prime (5000005057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2500002828 + 2500002829.

It is an arithmetic number, because the mean of its divisors is an integer number (2500002829).

Almost surely, 2^5000005657 is an apocalyptic number.

It is an amenable number.

5000005657 is a deficient number, since it is larger than the sum of its proper divisors (1).

5000005657 is an equidigital number, since it uses as much as digits as its factorization.

5000005657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 5000005657 is about 70710.7181196740. The cubic root of 5000005657 is about 1709.9765915654.

The spelling of 5000005657 in words is "five billion, five thousand, six hundred fifty-seven".