449118321 has 8 divisors (see below), whose sum is σ = 615009024. Its totient is φ = 291319920.

The previous prime is 449118289. The next prime is 449118347. The reversal of 449118321 is 123811944.

It is a happy number.

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

It is not a de Polignac number, because 449118321 - 2⁵ = 449118289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (449118361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2022945 + ... + 2023166.

It is an arithmetic number, because the mean of its divisors is an integer number (76876128).

Almost surely, 2^449118321 is an apocalyptic number.

It is an amenable number.

449118321 is a deficient number, since it is larger than the sum of its proper divisors (165890703).

449118321 is a wasteful number, since it uses less digits than its factorization.

449118321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4046151.

The product of its digits is 6912, while the sum is 33.

The square root of 449118321 is about 21192.4118731210. The cubic root of 449118321 is about 765.8086318960.

The spelling of 449118321 in words is "four hundred forty-nine million, one hundred eighteen thousand, three hundred twenty-one".