448448443 has 2 divisors, whose sum is σ = 448448444. Its totient is φ = 448448442.

The previous prime is 448448381. The next prime is 448448461. The reversal of 448448443 is 344844844.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-448448443 is a prime.

It is a super-2 number, since 2×448448443² = 402212012058248498, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 448448443.

It is not a weakly prime, because it can be changed into another prime (448446443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224224221 + 224224222.

It is an arithmetic number, because the mean of its divisors is an integer number (224224222).

Almost surely, 2^448448443 is an apocalyptic number.

448448443 is a deficient number, since it is larger than the sum of its proper divisors (1).

448448443 is an equidigital number, since it uses as much as digits as its factorization.

448448443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 786432, while the sum is 43.

The square root of 448448443 is about 21176.6013089920. The cubic root of 448448443 is about 765.4276976708.

The spelling of 448448443 in words is "four hundred forty-eight million, four hundred forty-eight thousand, four hundred forty-three".