8663088449 has 2 divisors, whose sum is σ = 8663088450. Its totient is φ = 8663088448.

The previous prime is 8663088443. The next prime is 8663088451. The reversal of 8663088449 is 9448803668.

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., 4583967025 + 4079121424 = 67705^2 + 63868^2 .

It is a cyclic number.

It is not a de Polignac number, because 8663088449 - 2⁴ = 8663088433 is a prime.

It is a Sophie Germain prime.

Together with 8663088451, 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 = 8663088394 and 8663088403.

It is not a weakly prime, because it can be changed into another prime (8663088443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4331544224 + 4331544225.

It is an arithmetic number, because the mean of its divisors is an integer number (4331544225).

Almost surely, 2^8663088449 is an apocalyptic number.

It is an amenable number.

8663088449 is a deficient number, since it is larger than the sum of its proper divisors (1).

8663088449 is an equidigital number, since it uses as much as digits as its factorization.

8663088449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7962624, while the sum is 56.

The square root of 8663088449 is about 93075.7135293627. The cubic root of 8663088449 is about 2053.7973201235.

The spelling of 8663088449 in words is "eight billion, six hundred sixty-three million, eighty-eight thousand, four hundred forty-nine".