6677360509 has 2 divisors, whose sum is σ = 6677360510. Its totient is φ = 6677360508.

The previous prime is 6677360477. The next prime is 6677360561. The reversal of 6677360509 is 9050637766.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5008392900 + 1668967609 = 70770^2 + 40853^2 .

It is a cyclic number.

It is not a de Polignac number, because 6677360509 - 2⁵ = 6677360477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6677360009) 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, 3338680254 + 3338680255.

It is an arithmetic number, because the mean of its divisors is an integer number (3338680255).

Almost surely, 2^6677360509 is an apocalyptic number.

It is an amenable number.

6677360509 is a deficient number, since it is larger than the sum of its proper divisors (1).

6677360509 is an equidigital number, since it uses as much as digits as its factorization.

6677360509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1428840, while the sum is 49.

The square root of 6677360509 is about 81715.1179953869. The cubic root of 6677360509 is about 1883.0778492571.

The spelling of 6677360509 in words is "six billion, six hundred seventy-seven million, three hundred sixty thousand, five hundred nine".