5165159509 has 2 divisors, whose sum is σ = 5165159510. Its totient is φ = 5165159508.

The previous prime is 5165159507. The next prime is 5165159513. The reversal of 5165159509 is 9059515615.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3389801284 + 1775358225 = 58222^2 + 42135^2 .

It is a cyclic number.

It is not a de Polignac number, because 5165159509 - 2¹ = 5165159507 is a prime.

Together with 5165159507, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5165159507) 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, 2582579754 + 2582579755.

It is an arithmetic number, because the mean of its divisors is an integer number (2582579755).

Almost surely, 2^5165159509 is an apocalyptic number.

It is an amenable number.

5165159509 is a deficient number, since it is larger than the sum of its proper divisors (1).

5165159509 is an equidigital number, since it uses as much as digits as its factorization.

5165159509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 303750, while the sum is 46.

The square root of 5165159509 is about 71869.0441636731. The cubic root of 5165159509 is about 1728.6002810458.

The spelling of 5165159509 in words is "five billion, one hundred sixty-five million, one hundred fifty-nine thousand, five hundred nine".