5156507309 has 2 divisors, whose sum is σ = 5156507310. Its totient is φ = 5156507308.

The previous prime is 5156507267. The next prime is 5156507341. The reversal of 5156507309 is 9037056515.

5156507309 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2580944809 + 2575562500 = 50803^2 + 50750^2 .

It is a cyclic number.

It is not a de Polignac number, because 5156507309 - 2²⁰ = 5155458733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5156506309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2578253654 + 2578253655.

It is an arithmetic number, because the mean of its divisors is an integer number (2578253655).

Almost surely, 2^5156507309 is an apocalyptic number.

It is an amenable number.

5156507309 is a deficient number, since it is larger than the sum of its proper divisors (1).

5156507309 is an equidigital number, since it uses as much as digits as its factorization.

5156507309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141750, while the sum is 41.

The square root of 5156507309 is about 71808.8247292768. The cubic root of 5156507309 is about 1727.6345442222.

The spelling of 5156507309 in words is "five billion, one hundred fifty-six million, five hundred seven thousand, three hundred nine".