8715956449 has 2 divisors, whose sum is σ = 8715956450. Its totient is φ = 8715956448.

The previous prime is 8715956429. The next prime is 8715956453. The reversal of 8715956449 is 9446595178.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7911213025 + 804743424 = 88945^2 + 28368^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8715956449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8715956393 and 8715956402.

It is not a weakly prime, because it can be changed into another prime (8715956419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4357978224 + 4357978225.

It is an arithmetic number, because the mean of its divisors is an integer number (4357978225).

Almost surely, 2^8715956449 is an apocalyptic number.

It is an amenable number.

8715956449 is a deficient number, since it is larger than the sum of its proper divisors (1).

8715956449 is an equidigital number, since it uses as much as digits as its factorization.

8715956449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10886400, while the sum is 58.

The square root of 8715956449 is about 93359.2868920923. The cubic root of 8715956449 is about 2057.9667348677.

The spelling of 8715956449 in words is "eight billion, seven hundred fifteen million, nine hundred fifty-six thousand, four hundred forty-nine".