8715836249 has 2 divisors, whose sum is σ = 8715836250. Its totient is φ = 8715836248.

The previous prime is 8715836219. The next prime is 8715836251. The reversal of 8715836249 is 9426385178.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7884552025 + 831284224 = 88795^2 + 28832^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8715836249 is a prime.

It is a Sophie Germain prime.

Together with 8715836251, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8715836249.

It is not a weakly prime, because it can be changed into another prime (8715836209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4357918124 + 4357918125.

It is an arithmetic number, because the mean of its divisors is an integer number (4357918125).

Almost surely, 2^8715836249 is an apocalyptic number.

It is an amenable number.

8715836249 is a deficient number, since it is larger than the sum of its proper divisors (1).

8715836249 is an equidigital number, since it uses as much as digits as its factorization.

8715836249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2903040, while the sum is 53.

The square root of 8715836249 is about 93358.6431403113. The cubic root of 8715836249 is about 2057.9572744892.

The spelling of 8715836249 in words is "eight billion, seven hundred fifteen million, eight hundred thirty-six thousand, two hundred forty-nine".