5008157809 has 2 divisors, whose sum is σ = 5008157810. Its totient is φ = 5008157808.

The previous prime is 5008157783. The next prime is 5008157851. The reversal of 5008157809 is 9087518005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5003440225 + 4717584 = 70735^2 + 2172^2 .

It is a cyclic number.

It is not a de Polignac number, because 5008157809 - 2²⁷ = 4873940081 is a prime.

It is not a weakly prime, because it can be changed into another prime (5008151809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2504078904 + 2504078905.

It is an arithmetic number, because the mean of its divisors is an integer number (2504078905).

Almost surely, 2^5008157809 is an apocalyptic number.

It is an amenable number.

5008157809 is a deficient number, since it is larger than the sum of its proper divisors (1).

5008157809 is an equidigital number, since it uses as much as digits as its factorization.

5008157809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100800, while the sum is 43.

The square root of 5008157809 is about 70768.3390295406. The cubic root of 5008157809 is about 1710.9054185074.

The spelling of 5008157809 in words is "five billion, eight million, one hundred fifty-seven thousand, eight hundred nine".