449112779 has 18 divisors (see below), whose sum is σ = 477295380. Its totient is φ = 422458080.

The previous prime is 449112721. The next prime is 449112791. The reversal of 449112779 is 977211944.

It is not a de Polignac number, because 449112779 - 2²⁰ = 448064203 is a prime.

It is a super-2 number, since 2×449112779² = 403404576522205682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449112479) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5046167 + ... + 5046255.

It is an arithmetic number, because the mean of its divisors is an integer number (26516410).

Almost surely, 2^449112779 is an apocalyptic number.

449112779 is a deficient number, since it is larger than the sum of its proper divisors (28182601).

449112779 is an frugal number, since it uses more digits than its factorization.

449112779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299 (or 179 counting only the distinct ones).

The product of its digits is 127008, while the sum is 44.

The square root of 449112779 is about 21192.2811183695. The cubic root of 449112779 is about 765.8054819251.

The spelling of 449112779 in words is "four hundred forty-nine million, one hundred twelve thousand, seven hundred seventy-nine".