449758749939 has 8 divisors (see below), whose sum is σ = 599856875520. Its totient is φ = 299749895496.

The previous prime is 449758749929. The next prime is 449758749953. The reversal of 449758749939 is 939947857944.

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

It is not a de Polignac number, because 449758749939 - 2¹⁷ = 449758618867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (449758749929) 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, 22306027 + ... + 22326180.

It is an arithmetic number, because the mean of its divisors is an integer number (74982109440).

Almost surely, 2^449758749939 is an apocalyptic number.

449758749939 is a deficient number, since it is larger than the sum of its proper divisors (150098125581).

449758749939 is a wasteful number, since it uses less digits than its factorization.

449758749939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44635569.

The product of its digits is 2469035520, while the sum is 78.

The spelling of 449758749939 in words is "four hundred forty-nine billion, seven hundred fifty-eight million, seven hundred forty-nine thousand, nine hundred thirty-nine".