8275374449 has 2 divisors, whose sum is σ = 8275374450. Its totient is φ = 8275374448.

The previous prime is 8275374421. The next prime is 8275374451. The reversal of 8275374449 is 9444735728.

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., 6688786225 + 1586588224 = 81785^2 + 39832^2 .

It is a cyclic number.

It is not a de Polignac number, because 8275374449 - 2⁸ = 8275374193 is a prime.

Together with 8275374451, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8275374449.

It is not a weakly prime, because it can be changed into another prime (8275344449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4137687224 + 4137687225.

It is an arithmetic number, because the mean of its divisors is an integer number (4137687225).

Almost surely, 2^8275374449 is an apocalyptic number.

It is an amenable number.

8275374449 is a deficient number, since it is larger than the sum of its proper divisors (1).

8275374449 is an equidigital number, since it uses as much as digits as its factorization.

8275374449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6773760, while the sum is 53.

The square root of 8275374449 is about 90969.0851278609. The cubic root of 8275374449 is about 2022.6894908488.

The spelling of 8275374449 in words is "eight billion, two hundred seventy-five million, three hundred seventy-four thousand, four hundred forty-nine".