449253263 has 2 divisors, whose sum is σ = 449253264. Its totient is φ = 449253262.

The previous prime is 449253257. The next prime is 449253283. The reversal of 449253263 is 362352944.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 449253263 - 2⁴ = 449253247 is a prime.

It is a super-2 number, since 2×449253263² = 403656988632294338, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (449253283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224626631 + 224626632.

It is an arithmetic number, because the mean of its divisors is an integer number (224626632).

Almost surely, 2^449253263 is an apocalyptic number.

449253263 is a deficient number, since it is larger than the sum of its proper divisors (1).

449253263 is an equidigital number, since it uses as much as digits as its factorization.

449253263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 38.

The square root of 449253263 is about 21195.5953679060. The cubic root of 449253263 is about 765.8853224513.

The spelling of 449253263 in words is "four hundred forty-nine million, two hundred fifty-three thousand, two hundred sixty-three".