2315698009 has 2 divisors, whose sum is σ = 2315698010. Its totient is φ = 2315698008.

The previous prime is 2315698001. The next prime is 2315698013. The reversal of 2315698009 is 9008965132.

It is a happy number.

2315698009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2246475609 + 69222400 = 47397^2 + 8320^2 .

It is a cyclic number.

It is not a de Polignac number, because 2315698009 - 2³ = 2315698001 is a prime.

It is not a weakly prime, because it can be changed into another prime (2315698001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1157849004 + 1157849005.

It is an arithmetic number, because the mean of its divisors is an integer number (1157849005).

Almost surely, 2^2315698009 is an apocalyptic number.

It is an amenable number.

2315698009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2315698009 is an equidigital number, since it uses as much as digits as its factorization.

2315698009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 2315698009 is about 48121.6999803623. The cubic root of 2315698009 is about 1323.0024265870.

The spelling of 2315698009 in words is "two billion, three hundred fifteen million, six hundred ninety-eight thousand, nine".