4021443441079 has 2 divisors, whose sum is σ = 4021443441080. Its totient is φ = 4021443441078.

The previous prime is 4021443441077. The next prime is 4021443441089. The reversal of 4021443441079 is 9701443441204.

4021443441079 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4021443441079 - 2¹ = 4021443441077 is a prime.

Together with 4021443441077, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4021443441077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010721720539 + 2010721720540.

It is an arithmetic number, because the mean of its divisors is an integer number (2010721720540).

Almost surely, 2^{4021443441079} is an apocalyptic number.

4021443441079 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021443441079 is an equidigital number, since it uses as much as digits as its factorization.

4021443441079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 43.

The spelling of 4021443441079 in words is "four trillion, twenty-one billion, four hundred forty-three million, four hundred forty-one thousand, seventy-nine".