8318022709 has 4 divisors (see below), whose sum is σ = 8341994304. Its totient is φ = 8294051116.

The previous prime is 8318022617. The next prime is 8318022719. The reversal of 8318022709 is 9072208138.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8318022709 - 2²³ = 8309634101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8318022719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11985277 + ... + 11985970.

It is an arithmetic number, because the mean of its divisors is an integer number (2085498576).

Almost surely, 2^8318022709 is an apocalyptic number.

It is an amenable number.

8318022709 is a deficient number, since it is larger than the sum of its proper divisors (23971595).

8318022709 is a wasteful number, since it uses less digits than its factorization.

8318022709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23971594.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 8318022709 is about 91203.1946205833. The cubic root of 8318022709 is about 2026.1582732100.

The spelling of 8318022709 in words is "eight billion, three hundred eighteen million, twenty-two thousand, seven hundred nine".