8608704449 has 2 divisors, whose sum is σ = 8608704450. Its totient is φ = 8608704448.

The previous prime is 8608704421. The next prime is 8608704451. The reversal of 8608704449 is 9444078068.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7181376049 + 1427328400 = 84743^2 + 37780^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8608704449 is a prime.

It is a Sophie Germain prime.

Together with 8608704451, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8608704397 and 8608704406.

It is not a weakly prime, because it can be changed into another prime (8608704499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4304352224 + 4304352225.

It is an arithmetic number, because the mean of its divisors is an integer number (4304352225).

Almost surely, 2^8608704449 is an apocalyptic number.

It is an amenable number.

8608704449 is a deficient number, since it is larger than the sum of its proper divisors (1).

8608704449 is an equidigital number, since it uses as much as digits as its factorization.

8608704449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1548288, while the sum is 50.

The square root of 8608704449 is about 92783.1043293982. The cubic root of 8608704449 is about 2049.4906090292.

The spelling of 8608704449 in words is "eight billion, six hundred eight million, seven hundred four thousand, four hundred forty-nine".