8318697009 has 32 divisors (see below), whose sum is σ = 13433091840. Its totient is φ = 4477670400.

The previous prime is 8318696963. The next prime is 8318697043. The reversal of 8318697009 is 9007968138.

It is not a de Polignac number, because 8318697009 - 2¹⁵ = 8318664241 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8318697089) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141612 + ... + 191549.

It is an arithmetic number, because the mean of its divisors is an integer number (419784120).

Almost surely, 2^8318697009 is an apocalyptic number.

It is an amenable number.

8318697009 is a deficient number, since it is larger than the sum of its proper divisors (5114394831).

8318697009 is a wasteful number, since it uses less digits than its factorization.

8318697009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333241.

The product of its (nonzero) digits is 653184, while the sum is 51.

The square root of 8318697009 is about 91206.8912363534. The cubic root of 8318697009 is about 2026.2130218626.

The spelling of 8318697009 in words is "eight billion, three hundred eighteen million, six hundred ninety-seven thousand, nine".