448293719 has 2 divisors, whose sum is σ = 448293720. Its totient is φ = 448293718.

The previous prime is 448293709. The next prime is 448293721. The reversal of 448293719 is 917392844.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-448293719 is a prime.

It is a super-2 number, since 2×448293719² = 401934516989701922, which contains 22 as substring.

Together with 448293721, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (448293709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224146859 + 224146860.

It is an arithmetic number, because the mean of its divisors is an integer number (224146860).

Almost surely, 2^448293719 is an apocalyptic number.

448293719 is a deficient number, since it is larger than the sum of its proper divisors (1).

448293719 is an equidigital number, since it uses as much as digits as its factorization.

448293719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 47.

The square root of 448293719 is about 21172.9478108269. The cubic root of 448293719 is about 765.3396580758.

The spelling of 448293719 in words is "four hundred forty-eight million, two hundred ninety-three thousand, seven hundred nineteen".