6604620317 has 2 divisors, whose sum is σ = 6604620318. Its totient is φ = 6604620316.

The previous prime is 6604620311. The next prime is 6604620349. The reversal of 6604620317 is 7130264066.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5514696121 + 1089924196 = 74261^2 + 33014^2 .

It is a cyclic number.

It is not a de Polignac number, because 6604620317 - 2²⁸ = 6336184861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6604620311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3302310158 + 3302310159.

It is an arithmetic number, because the mean of its divisors is an integer number (3302310159).

Almost surely, 2^6604620317 is an apocalyptic number.

It is an amenable number.

6604620317 is a deficient number, since it is larger than the sum of its proper divisors (1).

6604620317 is an equidigital number, since it uses as much as digits as its factorization.

6604620317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 6604620317 is about 81268.8151568608. The cubic root of 6604620317 is about 1876.2150647046.

The spelling of 6604620317 in words is "six billion, six hundred four million, six hundred twenty thousand, three hundred seventeen".