8309813416 has 16 divisors (see below), whose sum is σ = 15960922740. Its totient is φ = 4053567360.

The previous prime is 8309813399. The next prime is 8309813423. The reversal of 8309813416 is 6143189038.

It can be written as a sum of positive squares in 2 ways, for example, as 8307593316 + 2220100 = 91146^2 + 1490^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12667071 + ... + 12667726.

Almost surely, 2^8309813416 is an apocalyptic number.

It is an amenable number.

8309813416 is a deficient number, since it is larger than the sum of its proper divisors (7651109324).

8309813416 is a wasteful number, since it uses less digits than its factorization.

8309813416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25334844 (or 25334840 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 8309813416 is about 91158.1779984659. The cubic root of 8309813416 is about 2025.4914960811.

The spelling of 8309813416 in words is "eight billion, three hundred nine million, eight hundred thirteen thousand, four hundred sixteen".