5311626809 has 2 divisors, whose sum is σ = 5311626810. Its totient is φ = 5311626808.

The previous prime is 5311626773. The next prime is 5311626821. The reversal of 5311626809 is 9086261135.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5310765625 + 861184 = 72875^2 + 928^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5311626809 is a prime.

It is not a weakly prime, because it can be changed into another prime (5311626899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2655813404 + 2655813405.

It is an arithmetic number, because the mean of its divisors is an integer number (2655813405).

Almost surely, 2^5311626809 is an apocalyptic number.

It is an amenable number.

5311626809 is a deficient number, since it is larger than the sum of its proper divisors (1).

5311626809 is an equidigital number, since it uses as much as digits as its factorization.

5311626809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 5311626809 is about 72880.9083985648. The cubic root of 5311626809 is about 1744.7874070448.

The spelling of 5311626809 in words is "five billion, three hundred eleven million, six hundred twenty-six thousand, eight hundred nine".