449233081 has 4 divisors (see below), whose sum is σ = 490072464. Its totient is φ = 408393700.

The previous prime is 449233073. The next prime is 449233091. The reversal of 449233081 is 180332944.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 449233081 - 2³ = 449233073 is a prime.

It is a super-2 number, since 2×449233081² = 403620722129505122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449233061) 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, 20419675 + ... + 20419696.

It is an arithmetic number, because the mean of its divisors is an integer number (122518116).

Almost surely, 2^449233081 is an apocalyptic number.

It is an amenable number.

449233081 is a deficient number, since it is larger than the sum of its proper divisors (40839383).

449233081 is a wasteful number, since it uses less digits than its factorization.

449233081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40839382.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 449233081 is about 21195.1192730779. The cubic root of 449233081 is about 765.8738535462.

It can be divided in two parts, 4492 and 33081, that added together give a palindrome (37573).

The spelling of 449233081 in words is "four hundred forty-nine million, two hundred thirty-three thousand, eighty-one".