449800273 has 8 divisors (see below), whose sum is σ = 486537408. Its totient is φ = 413368464.

The previous prime is 449800261. The next prime is 449800277. The reversal of 449800273 is 372008944.

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 449800273 - 2⁹ = 449799761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449800277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73261 + ... + 79162.

It is an arithmetic number, because the mean of its divisors is an integer number (60817176).

Almost surely, 2^449800273 is an apocalyptic number.

It is an amenable number.

449800273 is a deficient number, since it is larger than the sum of its proper divisors (36737135).

449800273 is a wasteful number, since it uses less digits than its factorization.

449800273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152663.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 449800273 is about 21208.4953025904. The cubic root of 449800273 is about 766.1960432579.

The spelling of 449800273 in words is "four hundred forty-nine million, eight hundred thousand, two hundred seventy-three".