449993249 has 2 divisors, whose sum is σ = 449993250. Its totient is φ = 449993248.

The previous prime is 449993231. The next prime is 449993251. The reversal of 449993249 is 942399944.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 439657024 + 10336225 = 20968^2 + 3215^2 .

It is a cyclic number.

It is not a de Polignac number, because 449993249 - 2²⁴ = 433216033 is a prime.

Together with 449993251, 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 449993249.

It is not a weakly prime, because it can be changed into another prime (449993449) 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, 224996624 + 224996625.

It is an arithmetic number, because the mean of its divisors is an integer number (224996625).

Almost surely, 2^449993249 is an apocalyptic number.

It is an amenable number.

449993249 is a deficient number, since it is larger than the sum of its proper divisors (1).

449993249 is an equidigital number, since it uses as much as digits as its factorization.

449993249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2519424, while the sum is 53.

The square root of 449993249 is about 21213.0443124036. The cubic root of 449993249 is about 766.3056002596.

The spelling of 449993249 in words is "four hundred forty-nine million, nine hundred ninety-three thousand, two hundred forty-nine".