6335628809 has 2 divisors, whose sum is σ = 6335628810. Its totient is φ = 6335628808.

The previous prime is 6335628781. The next prime is 6335628877. The reversal of 6335628809 is 9088265336.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5179968784 + 1155660025 = 71972^2 + 33995^2 .

It is a cyclic number.

It is not a de Polignac number, because 6335628809 - 2²⁰ = 6334580233 is a prime.

It is not a weakly prime, because it can be changed into another prime (6335628889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3167814404 + 3167814405.

It is an arithmetic number, because the mean of its divisors is an integer number (3167814405).

Almost surely, 2^6335628809 is an apocalyptic number.

It is an amenable number.

6335628809 is a deficient number, since it is larger than the sum of its proper divisors (1).

6335628809 is an equidigital number, since it uses as much as digits as its factorization.

6335628809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1866240, while the sum is 50.

The square root of 6335628809 is about 79596.6633031812. The cubic root of 6335628809 is about 1850.3898675782.

The spelling of 6335628809 in words is "six billion, three hundred thirty-five million, six hundred twenty-eight thousand, eight hundred nine".