6315696209 has 2 divisors, whose sum is σ = 6315696210. Its totient is φ = 6315696208.

The previous prime is 6315696181. The next prime is 6315696259. The reversal of 6315696209 is 9026965136.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4260433984 + 2055262225 = 65272^2 + 45335^2 .

It is a cyclic number.

It is not a de Polignac number, because 6315696209 - 2¹² = 6315692113 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (6315696259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3157848104 + 3157848105.

It is an arithmetic number, because the mean of its divisors is an integer number (3157848105).

Almost surely, 2^6315696209 is an apocalyptic number.

It is an amenable number.

6315696209 is a deficient number, since it is larger than the sum of its proper divisors (1).

6315696209 is an equidigital number, since it uses as much as digits as its factorization.

6315696209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 524880, while the sum is 47.

The square root of 6315696209 is about 79471.3546442994. The cubic root of 6315696209 is about 1848.4473175239.

The spelling of 6315696209 in words is "six billion, three hundred fifteen million, six hundred ninety-six thousand, two hundred nine".