449017449 has 8 divisors (see below), whose sum is σ = 599431392. Its totient is φ = 298974240.

The previous prime is 449017441. The next prime is 449017483. The reversal of 449017449 is 944710944.

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

It is not a de Polignac number, because 449017449 - 2³ = 449017441 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 449017449.

It is not an unprimeable number, because it can be changed into a prime (449017441) 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, 89844 + ... + 94709.

It is an arithmetic number, because the mean of its divisors is an integer number (74928924).

Almost surely, 2^449017449 is an apocalyptic number.

It is an amenable number.

449017449 is a deficient number, since it is larger than the sum of its proper divisors (150413943).

449017449 is a wasteful number, since it uses less digits than its factorization.

449017449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185367.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 449017449 is about 21190.0318310285. The cubic root of 449017449 is about 765.7512940492.

The spelling of 449017449 in words is "four hundred forty-nine million, seventeen thousand, four hundred forty-nine".