44448888888809 has 2 divisors, whose sum is σ = 44448888888810. Its totient is φ = 44448888888808.

The previous prime is 44448888888779. The next prime is 44448888888829. The reversal of 44448888888809 is 90888888884444.

44448888888809 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23216284715584 + 21232604173225 = 4818328^2 + 4607885^2 .

It is a cyclic number.

It is not a de Polignac number, because 44448888888809 - 2⁸ = 44448888888553 is a prime.

It is not a weakly prime, because it can be changed into another prime (44448888888829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22224444444404 + 22224444444405.

It is an arithmetic number, because the mean of its divisors is an integer number (22224444444405).

Almost surely, 2^{44448888888809} is an apocalyptic number.

It is an amenable number.

44448888888809 is a deficient number, since it is larger than the sum of its proper divisors (1).

44448888888809 is an equidigital number, since it uses as much as digits as its factorization.

44448888888809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38654705664, while the sum is 89.

The spelling of 44448888888809 in words is "forty-four trillion, four hundred forty-eight billion, eight hundred eighty-eight million, eight hundred eighty-eight thousand, eight hundred nine".