5113799909 has 2 divisors, whose sum is σ = 5113799910. Its totient is φ = 5113799908.

The previous prime is 5113799879. The next prime is 5113799953. The reversal of 5113799909 is 9099973115.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5060188225 + 53611684 = 71135^2 + 7322^2 .

It is a cyclic number.

It is not a de Polignac number, because 5113799909 - 2²⁰ = 5112751333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5113799309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2556899954 + 2556899955.

It is an arithmetic number, because the mean of its divisors is an integer number (2556899955).

Almost surely, 2^5113799909 is an apocalyptic number.

It is an amenable number.

5113799909 is a deficient number, since it is larger than the sum of its proper divisors (1).

5113799909 is an equidigital number, since it uses as much as digits as its factorization.

5113799909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 688905, while the sum is 53.

The square root of 5113799909 is about 71510.8377031062. The cubic root of 5113799909 is about 1722.8517579308.

The spelling of 5113799909 in words is "five billion, one hundred thirteen million, seven hundred ninety-nine thousand, nine hundred nine".