6809389133 has 2 divisors, whose sum is σ = 6809389134. Its totient is φ = 6809389132.

The previous prime is 6809389127. The next prime is 6809389193. The reversal of 6809389133 is 3319839086.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6803445289 + 5943844 = 82483^2 + 2438^2 .

It is a cyclic number.

It is not a de Polignac number, because 6809389133 - 2¹⁴ = 6809372749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6809389193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3404694566 + 3404694567.

It is an arithmetic number, because the mean of its divisors is an integer number (3404694567).

Almost surely, 2^6809389133 is an apocalyptic number.

It is an amenable number.

6809389133 is a deficient number, since it is larger than the sum of its proper divisors (1).

6809389133 is an equidigital number, since it uses as much as digits as its factorization.

6809389133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 839808, while the sum is 50.

The square root of 6809389133 is about 82519.0228553392. The cubic root of 6809389133 is about 1895.4080368338.

The spelling of 6809389133 in words is "six billion, eight hundred nine million, three hundred eighty-nine thousand, one hundred thirty-three".