8306970309 has 56 divisors (see below), whose sum is σ = 13613778432. Its totient is φ = 5024617920.

The previous prime is 8306970299. The next prime is 8306970311. The reversal of 8306970309 is 9030796038.

It is a happy number.

It is not a de Polignac number, because 8306970309 - 2⁷ = 8306970181 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8306970409) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 7641564 + ... + 7642650.

Almost surely, 2^8306970309 is an apocalyptic number.

It is an amenable number.

8306970309 is a deficient number, since it is larger than the sum of its proper divisors (5306808123).

8306970309 is a wasteful number, since it uses less digits than its factorization.

8306970309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2069 (or 2054 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 8306970309 is about 91142.5823037728. The cubic root of 8306970309 is about 2025.2604701987.

The spelling of 8306970309 in words is "eight billion, three hundred six million, nine hundred seventy thousand, three hundred nine".