8716486309 has 2 divisors, whose sum is σ = 8716486310. Its totient is φ = 8716486308.

The previous prime is 8716486291. The next prime is 8716486321. The reversal of 8716486309 is 9036846178.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8449654084 + 266832225 = 91922^2 + 16335^2 .

It is a cyclic number.

It is not a de Polignac number, because 8716486309 - 2⁵ = 8716486277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8716486369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4358243154 + 4358243155.

It is an arithmetic number, because the mean of its divisors is an integer number (4358243155).

Almost surely, 2^8716486309 is an apocalyptic number.

It is an amenable number.

8716486309 is a deficient number, since it is larger than the sum of its proper divisors (1).

8716486309 is an equidigital number, since it uses as much as digits as its factorization.

8716486309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1741824, while the sum is 52.

The square root of 8716486309 is about 93362.1245955768. The cubic root of 8716486309 is about 2058.0084366271.

The spelling of 8716486309 in words is "eight billion, seven hundred sixteen million, four hundred eighty-six thousand, three hundred nine".