6117650809 has 2 divisors, whose sum is σ = 6117650810. Its totient is φ = 6117650808.

The previous prime is 6117650783. The next prime is 6117650813. The reversal of 6117650809 is 9080567116.

It is a happy number.

6117650809 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., 4264090000 + 1853560809 = 65300^2 + 43053^2 .

It is a cyclic number.

It is not a de Polignac number, because 6117650809 - 2³¹ = 3970167161 is a prime.

It is not a weakly prime, because it can be changed into another prime (6117650879) 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, 3058825404 + 3058825405.

It is an arithmetic number, because the mean of its divisors is an integer number (3058825405).

Almost surely, 2^6117650809 is an apocalyptic number.

It is an amenable number.

6117650809 is a deficient number, since it is larger than the sum of its proper divisors (1).

6117650809 is an equidigital number, since it uses as much as digits as its factorization.

6117650809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 6117650809 is about 78215.4128608933. The cubic root of 6117650809 is about 1828.9207815487.

The spelling of 6117650809 in words is "six billion, one hundred seventeen million, six hundred fifty thousand, eight hundred nine".