448844491 has 2 divisors, whose sum is σ = 448844492. Its totient is φ = 448844490.

The previous prime is 448844419. The next prime is 448844497. The reversal of 448844491 is 194448844.

Together with previous prime (448844419) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 448844491 - 2¹³ = 448836299 is a prime.

It is a super-2 number, since 2×448844491² = 402922754202098162, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (448844497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224422245 + 224422246.

It is an arithmetic number, because the mean of its divisors is an integer number (224422246).

Almost surely, 2^448844491 is an apocalyptic number.

448844491 is a deficient number, since it is larger than the sum of its proper divisors (1).

448844491 is an equidigital number, since it uses as much as digits as its factorization.

448844491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 589824, while the sum is 46.

The square root of 448844491 is about 21185.9503209084. The cubic root of 448844491 is about 765.6529609580.

The spelling of 448844491 in words is "four hundred forty-eight million, eight hundred forty-four thousand, four hundred ninety-one".