4021444443203 has 6 divisors (see below), whose sum is σ = 4420265379852. Its totient is φ = 3655858584620.

The previous prime is 4021444443199. The next prime is 4021444443209. The reversal of 4021444443203 is 3023444441204.

It is not a de Polignac number, because 4021444443203 - 2² = 4021444443199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4021444443209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16617538901 + ... + 16617539142.

It is an arithmetic number, because the mean of its divisors is an integer number (736710896642).

Almost surely, 2^{4021444443203} is an apocalyptic number.

4021444443203 is a deficient number, since it is larger than the sum of its proper divisors (398820936649).

4021444443203 is a wasteful number, since it uses less digits than its factorization.

4021444443203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33235078065 (or 33235078054 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 4021444443203 its reverse (3023444441204), we get a palindrome (7044888884407).

The spelling of 4021444443203 in words is "four trillion, twenty-one billion, four hundred forty-four million, four hundred forty-three thousand, two hundred three".