4021444441117 has 2 divisors, whose sum is σ = 4021444441118. Its totient is φ = 4021444441116.

The previous prime is 4021444441087. The next prime is 4021444441151. The reversal of 4021444441117 is 7111444441204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3937799703321 + 83644737796 = 1984389^2 + 289214^2 .

It is a cyclic number.

It is not a de Polignac number, because 4021444441117 - 2¹⁵ = 4021444408349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4021444471117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010722220558 + 2010722220559.

It is an arithmetic number, because the mean of its divisors is an integer number (2010722220559).

Almost surely, 2^{4021444441117} is an apocalyptic number.

It is an amenable number.

4021444441117 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021444441117 is an equidigital number, since it uses as much as digits as its factorization.

4021444441117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57344, while the sum is 37.

The spelling of 4021444441117 in words is "four trillion, twenty-one billion, four hundred forty-four million, four hundred forty-one thousand, one hundred seventeen".