449460689 has 2 divisors, whose sum is σ = 449460690. Its totient is φ = 449460688.

The previous prime is 449460677. The next prime is 449460691. The reversal of 449460689 is 986064944.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 323280400 + 126180289 = 17980^2 + 11233^2 .

It is a cyclic number.

It is not a de Polignac number, because 449460689 - 2²⁰ = 448412113 is a prime.

Together with 449460691, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (449460619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224730344 + 224730345.

It is an arithmetic number, because the mean of its divisors is an integer number (224730345).

Almost surely, 2^449460689 is an apocalyptic number.

It is an amenable number.

449460689 is a deficient number, since it is larger than the sum of its proper divisors (1).

449460689 is an equidigital number, since it uses as much as digits as its factorization.

449460689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1492992, while the sum is 50.

The square root of 449460689 is about 21200.4879424979. The cubic root of 449460689 is about 766.0031773439.

The spelling of 449460689 in words is "four hundred forty-nine million, four hundred sixty thousand, six hundred eighty-nine".