8506313909 has 12 divisors (see below), whose sum is σ = 8660331108. Its totient is φ = 8354989440.

The previous prime is 8506313887. The next prime is 8506314001. The reversal of 8506313909 is 9093136058.

8506313909 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 17455684 + 8488858225 = 4178^2 + 92135^2 .

It is not a de Polignac number, because 8506313909 - 2¹² = 8506309813 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8506313909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8506313609) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3842687 + ... + 3844899.

It is an arithmetic number, because the mean of its divisors is an integer number (721694259).

Almost surely, 2^8506313909 is an apocalyptic number.

It is an amenable number.

8506313909 is a deficient number, since it is larger than the sum of its proper divisors (154017199).

8506313909 is a wasteful number, since it uses less digits than its factorization.

8506313909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3368 (or 3307 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 44.

The square root of 8506313909 is about 92229.6801956941. The cubic root of 8506313909 is about 2041.3327435166.

The spelling of 8506313909 in words is "eight billion, five hundred six million, three hundred thirteen thousand, nine hundred nine".