449385109 has 8 divisors (see below), whose sum is σ = 476612352. Its totient is φ = 422798640.

The previous prime is 449385107. The next prime is 449385113. The reversal of 449385109 is 901583944.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 449385109 - 2¹ = 449385107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449385103) 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 in 7 ways as a sum of consecutive naturals, for example, 158749 + ... + 161554.

It is an arithmetic number, because the mean of its divisors is an integer number (59576544).

Almost surely, 2^449385109 is an apocalyptic number.

It is an amenable number.

449385109 is a deficient number, since it is larger than the sum of its proper divisors (27227243).

449385109 is a wasteful number, since it uses less digits than its factorization.

449385109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320387.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 449385109 is about 21198.7053614130. The cubic root of 449385109 is about 765.9602386495.

The spelling of 449385109 in words is "four hundred forty-nine million, three hundred eighty-five thousand, one hundred nine".