449437732879 has 4 divisors (see below), whose sum is σ = 449662117176. Its totient is φ = 449213348584.

The previous prime is 449437732867. The next prime is 449437732901. The reversal of 449437732879 is 978237734944.

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 449437732879 - 2²⁹ = 448900861967 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 (449437732279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112189144 + ... + 112193149.

It is an arithmetic number, because the mean of its divisors is an integer number (112415529294).

Almost surely, 2^449437732879 is an apocalyptic number.

449437732879 is a deficient number, since it is larger than the sum of its proper divisors (224384297).

449437732879 is a wasteful number, since it uses less digits than its factorization.

449437732879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224384296.

The product of its digits is 256048128, while the sum is 67.

The spelling of 449437732879 in words is "four hundred forty-nine billion, four hundred thirty-seven million, seven hundred thirty-two thousand, eight hundred seventy-nine".