449933131 has 4 divisors (see below), whose sum is σ = 453170200. Its totient is φ = 446696064.

The previous prime is 449933119. The next prime is 449933137. The reversal of 449933131 is 131339944.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-449933131 is a prime.

It is a super-2 number, since 2×449933131² = 404879644742926322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449933137) 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 3 ways as a sum of consecutive naturals, for example, 1618326 + ... + 1618603.

It is an arithmetic number, because the mean of its divisors is an integer number (113292550).

Almost surely, 2^449933131 is an apocalyptic number.

449933131 is a deficient number, since it is larger than the sum of its proper divisors (3237069).

449933131 is a wasteful number, since it uses less digits than its factorization.

449933131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3237068.

The product of its digits is 34992, while the sum is 37.

The square root of 449933131 is about 21211.6272595951. The cubic root of 449933131 is about 766.2714732204.

The spelling of 449933131 in words is "four hundred forty-nine million, nine hundred thirty-three thousand, one hundred thirty-one".