449966117 has 6 divisors (see below), whose sum is σ = 466018098. Its totient is φ = 434449232.

The previous prime is 449966093. The next prime is 449966159. The reversal of 449966117 is 711669944.

It can be written as a sum of positive squares in 3 ways, for example, as 219958561 + 230007556 = 14831^2 + 15166^2 .

It is not a de Polignac number, because 449966117 - 2⁶ = 449966053 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 (449906117) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 266678 + ... + 268359.

It is an arithmetic number, because the mean of its divisors is an integer number (77669683).

Almost surely, 2^449966117 is an apocalyptic number.

It is an amenable number.

449966117 is a deficient number, since it is larger than the sum of its proper divisors (16051981).

449966117 is an equidigital number, since it uses as much as digits as its factorization.

449966117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535095 (or 535066 counting only the distinct ones).

The product of its digits is 326592, while the sum is 47.

The square root of 449966117 is about 21212.4047905936. The cubic root of 449966117 is about 766.2901986793.

The spelling of 449966117 in words is "four hundred forty-nine million, nine hundred sixty-six thousand, one hundred seventeen".