449664683 has 4 divisors (see below), whose sum is σ = 484254288. Its totient is φ = 415075080.

The previous prime is 449664679. The next prime is 449664707. The reversal of 449664683 is 386466944.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 449664683 - 2² = 449664679 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449664613) 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, 17294783 + ... + 17294808.

It is an arithmetic number, because the mean of its divisors is an integer number (121063572).

Almost surely, 2^449664683 is an apocalyptic number.

449664683 is a deficient number, since it is larger than the sum of its proper divisors (34589605).

449664683 is a wasteful number, since it uses less digits than its factorization.

449664683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34589604.

The product of its digits is 2985984, while the sum is 50.

The square root of 449664683 is about 21205.2984652421. The cubic root of 449664683 is about 766.1190468898.

The spelling of 449664683 in words is "four hundred forty-nine million, six hundred sixty-four thousand, six hundred eighty-three".