449645599 has 8 divisors (see below), whose sum is σ = 484398432. Its totient is φ = 414916320.

The previous prime is 449645543. The next prime is 449645629. The reversal of 449645599 is 995546944.

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

It is not a de Polignac number, because 449645599 - 2¹⁵ = 449612831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449645519) 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, 72189 + ... + 78169.

It is an arithmetic number, because the mean of its divisors is an integer number (60549804).

Almost surely, 2^449645599 is an apocalyptic number.

449645599 is a deficient number, since it is larger than the sum of its proper divisors (34752833).

449645599 is a wasteful number, since it uses less digits than its factorization.

449645599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11777.

The product of its digits is 6998400, while the sum is 55.

The square root of 449645599 is about 21204.8484785909. The cubic root of 449645599 is about 766.1082085746.

The spelling of 449645599 in words is "four hundred forty-nine million, six hundred forty-five thousand, five hundred ninety-nine".