449432899 has 2 divisors, whose sum is σ = 449432900. Its totient is φ = 449432898.

The previous prime is 449432887. The next prime is 449432909. The reversal of 449432899 is 998234944.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 449432899 - 2⁷ = 449432771 is a prime.

It is not a weakly prime, because it can be changed into another prime (449432839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224716449 + 224716450.

It is an arithmetic number, because the mean of its divisors is an integer number (224716450).

Almost surely, 2^449432899 is an apocalyptic number.

449432899 is a deficient number, since it is larger than the sum of its proper divisors (1).

449432899 is an equidigital number, since it uses as much as digits as its factorization.

449432899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2239488, while the sum is 52.

The square root of 449432899 is about 21199.8325229234. The cubic root of 449432899 is about 765.9873897807.

The spelling of 449432899 in words is "four hundred forty-nine million, four hundred thirty-two thousand, eight hundred ninety-nine".