449393117 has 2 divisors, whose sum is σ = 449393118. Its totient is φ = 449393116.

The previous prime is 449393101. The next prime is 449393141. The reversal of 449393117 is 711393944.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 443565721 + 5827396 = 21061^2 + 2414^2 .

It is a cyclic number.

It is not a de Polignac number, because 449393117 - 2⁴ = 449393101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (449392117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224696558 + 224696559.

It is an arithmetic number, because the mean of its divisors is an integer number (224696559).

Almost surely, 2^449393117 is an apocalyptic number.

It is an amenable number.

449393117 is a deficient number, since it is larger than the sum of its proper divisors (1).

449393117 is an equidigital number, since it uses as much as digits as its factorization.

449393117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 41.

The square root of 449393117 is about 21198.8942400305. The cubic root of 449393117 is about 765.9647884020.

The spelling of 449393117 in words is "four hundred forty-nine million, three hundred ninety-three thousand, one hundred seventeen".