4021443324443 has 4 divisors (see below), whose sum is σ = 4119527308008. Its totient is φ = 3923359340880.

The previous prime is 4021443324419. The next prime is 4021443324467. The reversal of 4021443324443 is 3444233441204.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (4021443324419) and next prime (4021443324467).

It is a cyclic number.

It is not a de Polignac number, because 4021443324443 - 2¹⁶ = 4021443258907 is a prime.

It is a super-2 number, since 2×4021443324443² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4021443324397 and 4021443324406.

It is not an unprimeable number, because it can be changed into a prime (4021443324403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49041991721 + ... + 49041991802.

It is an arithmetic number, because the mean of its divisors is an integer number (1029881827002).

Almost surely, 2^{4021443324443} is an apocalyptic number.

4021443324443 is a deficient number, since it is larger than the sum of its proper divisors (98083983565).

4021443324443 is an equidigital number, since it uses as much as digits as its factorization.

4021443324443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98083983564.

The product of its (nonzero) digits is 442368, while the sum is 38.

Adding to 4021443324443 its reverse (3444233441204), we get a palindrome (7465676765647).

The spelling of 4021443324443 in words is "four trillion, twenty-one billion, four hundred forty-three million, three hundred twenty-four thousand, four hundred forty-three".