4021443013439 has 8 divisors (see below), whose sum is σ = 4050796162560. Its totient is φ = 3992095891800.

The previous prime is 4021443013411. The next prime is 4021443013447. The reversal of 4021443013439 is 9343103441204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4021443013439 - 2⁸ = 4021443013183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021443003439) 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 in 7 ways as a sum of consecutive naturals, for example, 163277 + ... + 2840694.

It is an arithmetic number, because the mean of its divisors is an integer number (506349520320).

Almost surely, 2^{4021443013439} is an apocalyptic number.

4021443013439 is a deficient number, since it is larger than the sum of its proper divisors (29353149121).

4021443013439 is a wasteful number, since it uses less digits than its factorization.

4021443013439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3013741.

The product of its (nonzero) digits is 124416, while the sum is 38.

The spelling of 4021443013439 in words is "four trillion, twenty-one billion, four hundred forty-three million, thirteen thousand, four hundred thirty-nine".