449453431 has 12 divisors (see below), whose sum is σ = 523678608. Its totient is φ = 384623232.

The previous prime is 449453413. The next prime is 449453441. The reversal of 449453431 is 134354944.

It is not a de Polignac number, because 449453431 - 2⁵ = 449453399 is a prime.

It is a super-2 number, since 2×449453431² = 404016773275343522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449453441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24615 + ... + 38791.

It is an arithmetic number, because the mean of its divisors is an integer number (43639884).

Almost surely, 2^449453431 is an apocalyptic number.

449453431 is a deficient number, since it is larger than the sum of its proper divisors (74225177).

449453431 is a wasteful number, since it uses less digits than its factorization.

449453431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14838 (or 14831 counting only the distinct ones).

The product of its digits is 103680, while the sum is 37.

The square root of 449453431 is about 21200.3167665014. The cubic root of 449453431 is about 765.9990541201. Note that the first 3 decimals are identical.

The spelling of 449453431 in words is "four hundred forty-nine million, four hundred fifty-three thousand, four hundred thirty-one".