5811306409 has 2 divisors, whose sum is σ = 5811306410. Its totient is φ = 5811306408.

The previous prime is 5811306343. The next prime is 5811306461. The reversal of 5811306409 is 9046031185.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5391671184 + 419635225 = 73428^2 + 20485^2 .

It is a cyclic number.

It is not a de Polignac number, because 5811306409 - 2²⁹ = 5274435497 is a prime.

It is not a weakly prime, because it can be changed into another prime (5811306209) 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, 2905653204 + 2905653205.

It is an arithmetic number, because the mean of its divisors is an integer number (2905653205).

Almost surely, 2^5811306409 is an apocalyptic number.

It is an amenable number.

5811306409 is a deficient number, since it is larger than the sum of its proper divisors (1).

5811306409 is an equidigital number, since it uses as much as digits as its factorization.

5811306409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 5811306409 is about 76231.9251298300. The cubic root of 5811306409 is about 1797.8685066934.

The spelling of 5811306409 in words is "five billion, eight hundred eleven million, three hundred six thousand, four hundred nine".