808546009 has 2 divisors, whose sum is σ = 808546010. Its totient is φ = 808546008.

The previous prime is 808546003. The next prime is 808546019. The reversal of 808546009 is 900645808.

808546009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 522259609 + 286286400 = 22853^2 + 16920^2 .

It is a cyclic number.

It is not a de Polignac number, because 808546009 - 2¹⁵ = 808513241 is a prime.

It is not a weakly prime, because it can be changed into another prime (808546003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 404273004 + 404273005.

It is an arithmetic number, because the mean of its divisors is an integer number (404273005).

Almost surely, 2^808546009 is an apocalyptic number.

It is an amenable number.

808546009 is a deficient number, since it is larger than the sum of its proper divisors (1).

808546009 is an equidigital number, since it uses as much as digits as its factorization.

808546009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 808546009 is about 28434.9434499174. The cubic root of 808546009 is about 931.6116537520.

The spelling of 808546009 in words is "eight hundred eight million, five hundred forty-six thousand, nine".