449264673 has 24 divisors (see below), whose sum is σ = 762390720. Its totient is φ = 251336160.

The previous prime is 449264611. The next prime is 449264719. The reversal of 449264673 is 376462944.

It is a happy number.

It is not a de Polignac number, because 449264673 - 2⁹ = 449264161 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (449264273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 173253 + ... + 175826.

It is an arithmetic number, because the mean of its divisors is an integer number (31766280).

Almost surely, 2^449264673 is an apocalyptic number.

It is an amenable number.

449264673 is a deficient number, since it is larger than the sum of its proper divisors (313126047).

449264673 is a wasteful number, since it uses less digits than its factorization.

449264673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349109 (or 349106 counting only the distinct ones).

The product of its digits is 870912, while the sum is 45.

The square root of 449264673 is about 21195.8645258928. The cubic root of 449264673 is about 765.8918063052.

The spelling of 449264673 in words is "four hundred forty-nine million, two hundred sixty-four thousand, six hundred seventy-three".