6809055289 has 27 divisors (see below), whose sum is σ = 7430863599. Its totient is φ = 6238285200.

The previous prime is 6809055287. The next prime is 6809055301. The reversal of 6809055289 is 9825509086.

The square root of 6809055289 is 82517.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 6542059689 + 266995600 = 80883^2 + 16340^2 .

It is not a de Polignac number, because 6809055289 - 2¹ = 6809055287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6809055283) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 67416339 + ... + 67416439.

Almost surely, 2^6809055289 is an apocalyptic number.

6809055289 is the 82517-th square number.

6809055289 is the 41259-th centered octagonal number.

It is an amenable number.

6809055289 is a deficient number, since it is larger than the sum of its proper divisors (621808310).

6809055289 is an equidigital number, since it uses as much as digits as its factorization.

6809055289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 52.

The cubic root of 6809055289 is about 1895.3770609303.

The spelling of 6809055289 in words is "six billion, eight hundred nine million, fifty-five thousand, two hundred eighty-nine".