449824889 has 2 divisors, whose sum is σ = 449824890. Its totient is φ = 449824888.

The previous prime is 449824877. The next prime is 449824901. The reversal of 449824889 is 988428944.

It is a balanced prime because it is at equal distance from previous prime (449824877) and next prime (449824901).

It can be written as a sum of positive squares in only one way, i.e., 353628025 + 96196864 = 18805^2 + 9808^2 .

It is a cyclic number.

It is not a de Polignac number, because 449824889 - 2⁸ = 449824633 is a prime.

It is not a weakly prime, because it can be changed into another prime (449824189) 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, 224912444 + 224912445.

It is an arithmetic number, because the mean of its divisors is an integer number (224912445).

Almost surely, 2^449824889 is an apocalyptic number.

It is an amenable number.

449824889 is a deficient number, since it is larger than the sum of its proper divisors (1).

449824889 is an equidigital number, since it uses as much as digits as its factorization.

449824889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5308416, while the sum is 56.

The square root of 449824889 is about 21209.0756281362. The cubic root of 449824889 is about 766.2100200819.

The spelling of 449824889 in words is "four hundred forty-nine million, eight hundred twenty-four thousand, eight hundred eighty-nine".