8413085309 has 2 divisors, whose sum is σ = 8413085310. Its totient is φ = 8413085308.

The previous prime is 8413085293. The next prime is 8413085377. The reversal of 8413085309 is 9035803148.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5583377284 + 2829708025 = 74722^2 + 53195^2 .

It is a cyclic number.

It is not a de Polignac number, because 8413085309 - 2⁴ = 8413085293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8413085909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4206542654 + 4206542655.

It is an arithmetic number, because the mean of its divisors is an integer number (4206542655).

Almost surely, 2^8413085309 is an apocalyptic number.

It is an amenable number.

8413085309 is a deficient number, since it is larger than the sum of its proper divisors (1).

8413085309 is an equidigital number, since it uses as much as digits as its factorization.

8413085309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 8413085309 is about 91722.8723329138. The cubic root of 8413085309 is about 2033.8477104792.

The spelling of 8413085309 in words is "eight billion, four hundred thirteen million, eighty-five thousand, three hundred nine".