4021444402143 has 8 divisors (see below), whose sum is σ = 6127915279488. Its totient is φ = 2297968229784.

The previous prime is 4021444402141. The next prime is 4021444402181. The reversal of 4021444402143 is 3412044441204.

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

It is not a de Polignac number, because 4021444402143 - 2¹ = 4021444402141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021444402141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95748676221 + ... + 95748676262.

It is an arithmetic number, because the mean of its divisors is an integer number (765989409936).

Almost surely, 2^{4021444402143} is an apocalyptic number.

4021444402143 is a deficient number, since it is larger than the sum of its proper divisors (2106470877345).

4021444402143 is a wasteful number, since it uses less digits than its factorization.

4021444402143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191497352493.

The product of its (nonzero) digits is 49152, while the sum is 33.

Adding to 4021444402143 its reverse (3412044441204), we get a palindrome (7433488843347).

The spelling of 4021444402143 in words is "four trillion, twenty-one billion, four hundred forty-four million, four hundred two thousand, one hundred forty-three".