6585665413 has 2 divisors, whose sum is σ = 6585665414. Its totient is φ = 6585665412.

The previous prime is 6585665399. The next prime is 6585665423. The reversal of 6585665413 is 3145665856.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5997263364 + 588402049 = 77442^2 + 24257^2 .

It is a cyclic number.

It is not a de Polignac number, because 6585665413 - 2⁵ = 6585665381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6585665423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3292832706 + 3292832707.

It is an arithmetic number, because the mean of its divisors is an integer number (3292832707).

Almost surely, 2^6585665413 is an apocalyptic number.

It is an amenable number.

6585665413 is a deficient number, since it is larger than the sum of its proper divisors (1).

6585665413 is an equidigital number, since it uses as much as digits as its factorization.

6585665413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592000, while the sum is 49.

The square root of 6585665413 is about 81152.1128067532. The cubic root of 6585665413 is about 1874.4184662211.

The spelling of 6585665413 in words is "six billion, five hundred eighty-five million, six hundred sixty-five thousand, four hundred thirteen".