5365131809 has 2 divisors, whose sum is σ = 5365131810. Its totient is φ = 5365131808.

The previous prime is 5365131803. The next prime is 5365131853. The reversal of 5365131809 is 9081315635.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5122551184 + 242580625 = 71572^2 + 15575^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5365131809 is a prime.

It is a super-2 number, since 2×5365131809² = 57569278655887224962, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5365131803) 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, 2682565904 + 2682565905.

It is an arithmetic number, because the mean of its divisors is an integer number (2682565905).

Almost surely, 2^5365131809 is an apocalyptic number.

It is an amenable number.

5365131809 is a deficient number, since it is larger than the sum of its proper divisors (1).

5365131809 is an equidigital number, since it uses as much as digits as its factorization.

5365131809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 97200, while the sum is 41.

The square root of 5365131809 is about 73247.0600706950. The cubic root of 5365131809 is about 1750.6263672371.

The spelling of 5365131809 in words is "five billion, three hundred sixty-five million, one hundred thirty-one thousand, eight hundred nine".