4021443441089 has 2 divisors, whose sum is σ = 4021443441090. Its totient is φ = 4021443441088.

The previous prime is 4021443441079. The next prime is 4021443441173. The reversal of 4021443441089 is 9801443441204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2475131295025 + 1546312146064 = 1573255^2 + 1243508^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4021443441089 is a prime.

It is not a weakly prime, because it can be changed into another prime (4021443441079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010721720544 + 2010721720545.

It is an arithmetic number, because the mean of its divisors is an integer number (2010721720545).

Almost surely, 2^{4021443441089} is an apocalyptic number.

It is an amenable number.

4021443441089 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021443441089 is an equidigital number, since it uses as much as digits as its factorization.

4021443441089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 442368, while the sum is 44.

The spelling of 4021443441089 in words is "four trillion, twenty-one billion, four hundred forty-three million, four hundred forty-one thousand, eighty-nine".