3404555809 has 2 divisors, whose sum is σ = 3404555810. Its totient is φ = 3404555808.

The previous prime is 3404555807. The next prime is 3404555821. The reversal of 3404555809 is 9085554043.

3404555809 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., 2515323409 + 889232400 = 50153^2 + 29820^2 .

It is a cyclic number.

It is not a de Polignac number, because 3404555809 - 2¹ = 3404555807 is a prime.

Together with 3404555807, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3404555801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1702277904 + 1702277905.

It is an arithmetic number, because the mean of its divisors is an integer number (1702277905).

Almost surely, 2^3404555809 is an apocalyptic number.

It is an amenable number.

3404555809 is a deficient number, since it is larger than the sum of its proper divisors (1).

3404555809 is an equidigital number, since it uses as much as digits as its factorization.

3404555809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432000, while the sum is 43.

The square root of 3404555809 is about 58348.5716106230. The cubic root of 3404555809 is about 1504.3659185450.

The spelling of 3404555809 in words is "three billion, four hundred four million, five hundred fifty-five thousand, eight hundred nine".