449144179 has 4 divisors (see below), whose sum is σ = 489975480. Its totient is φ = 408312880.

The previous prime is 449144177. The next prime is 449144197. The reversal of 449144179 is 971441944.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 449144179 - 2¹ = 449144177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449144177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20415634 + ... + 20415655.

It is an arithmetic number, because the mean of its divisors is an integer number (122493870).

Almost surely, 2^449144179 is an apocalyptic number.

449144179 is a deficient number, since it is larger than the sum of its proper divisors (40831301).

449144179 is a wasteful number, since it uses less digits than its factorization.

449144179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40831300.

The product of its digits is 145152, while the sum is 43.

The square root of 449144179 is about 21193.0219411956. The cubic root of 449144179 is about 765.8233287651.

The spelling of 449144179 in words is "four hundred forty-nine million, one hundred forty-four thousand, one hundred seventy-nine".