449681233 has 8 divisors (see below), whose sum is σ = 454745088. Its totient is φ = 444626304.

The previous prime is 449681213. The next prime is 449681237. The reversal of 449681233 is 332186944.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 449681233 - 2²⁵ = 416126801 is a prime.

It is a super-2 number, since 2×449681233² = 404426422624800578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449681237) 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, 175560 + ... + 178102.

It is an arithmetic number, because the mean of its divisors is an integer number (56843136).

Almost surely, 2^449681233 is an apocalyptic number.

It is an amenable number.

449681233 is a deficient number, since it is larger than the sum of its proper divisors (5063855).

449681233 is a wasteful number, since it uses less digits than its factorization.

449681233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4463.

The product of its digits is 124416, while the sum is 40.

The square root of 449681233 is about 21205.6886943103. The cubic root of 449681233 is about 766.1284458302.

The spelling of 449681233 in words is "four hundred forty-nine million, six hundred eighty-one thousand, two hundred thirty-three".