449272369 has 16 divisors (see below), whose sum is σ = 553448448. Its totient is φ = 355148352.

The previous prime is 449272357. The next prime is 449272391. The reversal of 449272369 is 963272944.

It is not a de Polignac number, because 449272369 - 2¹⁵ = 449239601 is a prime.

It is a super-2 number, since 2×449272369² = 403691323093744322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (449272339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199719 + ... + 201955.

It is an arithmetic number, because the mean of its divisors is an integer number (34590528).

Almost surely, 2^449272369 is an apocalyptic number.

It is an amenable number.

449272369 is a deficient number, since it is larger than the sum of its proper divisors (104176079).

449272369 is a wasteful number, since it uses less digits than its factorization.

449272369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4464.

The product of its digits is 653184, while the sum is 46.

The square root of 449272369 is about 21196.0460699631. The cubic root of 449272369 is about 765.8961795770.

The spelling of 449272369 in words is "four hundred forty-nine million, two hundred seventy-two thousand, three hundred sixty-nine".