443212224449 has 2 divisors, whose sum is σ = 443212224450. Its totient is φ = 443212224448.

The previous prime is 443212224407. The next prime is 443212224451. The reversal of 443212224449 is 944422212344.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 436731974449 + 6480250000 = 660857^2 + 80500^2 .

It is a cyclic number.

It is not a de Polignac number, because 443212224449 - 2³² = 438917257153 is a prime.

Together with 443212224451, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (443212223449) 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, 221606112224 + 221606112225.

It is an arithmetic number, because the mean of its divisors is an integer number (221606112225).

Almost surely, 2^443212224449 is an apocalyptic number.

It is an amenable number.

443212224449 is a deficient number, since it is larger than the sum of its proper divisors (1).

443212224449 is an equidigital number, since it uses as much as digits as its factorization.

443212224449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 442368, while the sum is 41.

The spelling of 443212224449 in words is "four hundred forty-three billion, two hundred twelve million, two hundred twenty-four thousand, four hundred forty-nine".