4021444133489 has 2 divisors, whose sum is σ = 4021444133490. Its totient is φ = 4021444133488.

The previous prime is 4021444133341. The next prime is 4021444133491. The reversal of 4021444133489 is 9843314441204.

4021444133489 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., 3701133411889 + 320310721600 = 1923833^2 + 565960^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4021444133489 is a prime.

Together with 4021444133491, 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 (4021444933489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010722066744 + 2010722066745.

It is an arithmetic number, because the mean of its divisors is an integer number (2010722066745).

Almost surely, 2^{4021444133489} is an apocalyptic number.

It is an amenable number.

4021444133489 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021444133489 is an equidigital number, since it uses as much as digits as its factorization.

4021444133489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1327104, while the sum is 47.

The spelling of 4021444133489 in words is "four trillion, twenty-one billion, four hundred forty-four million, one hundred thirty-three thousand, four hundred eighty-nine".