4021444411243 has 12 divisors (see below), whose sum is σ = 4709402791200. Its totient is φ = 3423818437872.

The previous prime is 4021444411219. The next prime is 4021444411261. The reversal of 4021444411243 is 3421144441204.

It is not a de Polignac number, because 4021444411243 - 2⁵ = 4021444411211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4021444411199 and 4021444411208.

It is not an unprimeable number, because it can be changed into a prime (4021444411213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 275396371 + ... + 275410972.

It is an arithmetic number, because the mean of its divisors is an integer number (392450232600).

Almost surely, 2^{4021444411243} is an apocalyptic number.

4021444411243 is a deficient number, since it is larger than the sum of its proper divisors (687958379957).

4021444411243 is a wasteful number, since it uses less digits than its factorization.

4021444411243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550807506 (or 550807499 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 34.

Adding to 4021444411243 its reverse (3421144441204), we get a palindrome (7442588852447).

The spelling of 4021444411243 in words is "four trillion, twenty-one billion, four hundred forty-four million, four hundred eleven thousand, two hundred forty-three".