6809530529 has 2 divisors, whose sum is σ = 6809530530. Its totient is φ = 6809530528.

The previous prime is 6809530487. The next prime is 6809530613. The reversal of 6809530529 is 9250359086.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4981112929 + 1828417600 = 70577^2 + 42760^2 .

It is a cyclic number.

It is not a de Polignac number, because 6809530529 - 2²⁴ = 6792753313 is a prime.

It is not a weakly prime, because it can be changed into another prime (6809530229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3404765264 + 3404765265.

It is an arithmetic number, because the mean of its divisors is an integer number (3404765265).

Almost surely, 2^6809530529 is an apocalyptic number.

It is an amenable number.

6809530529 is a deficient number, since it is larger than the sum of its proper divisors (1).

6809530529 is an equidigital number, since it uses as much as digits as its factorization.

6809530529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 583200, while the sum is 47.

The square root of 6809530529 is about 82519.8795987973. The cubic root of 6809530529 is about 1895.4211560361.

The spelling of 6809530529 in words is "six billion, eight hundred nine million, five hundred thirty thousand, five hundred twenty-nine".