449947759 has 8 divisors (see below), whose sum is σ = 474768000. Its totient is φ = 425241432.

The previous prime is 449947727. The next prime is 449947763. The reversal of 449947759 is 957749944.

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

It is not a de Polignac number, because 449947759 - 2⁵ = 449947727 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 (449947709) 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, 20299 + ... + 36220.

It is an arithmetic number, because the mean of its divisors is an integer number (59346000).

Almost surely, 2^449947759 is an apocalyptic number.

449947759 is a deficient number, since it is larger than the sum of its proper divisors (24820241).

449947759 is a wasteful number, since it uses less digits than its factorization.

449947759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56957.

The product of its digits is 11430720, while the sum is 58.

The square root of 449947759 is about 21211.9720676791. The cubic root of 449947759 is about 766.2797773415.

The spelling of 449947759 in words is "four hundred forty-nine million, nine hundred forty-seven thousand, seven hundred fifty-nine".