4443442141 has 2 divisors, whose sum is σ = 4443442142. Its totient is φ = 4443442140.

The previous prime is 4443442123. The next prime is 4443442153. The reversal of 4443442141 is 1412443444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3177576900 + 1265865241 = 56370^2 + 35579^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4443442141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4443442441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2221721070 + 2221721071.

It is an arithmetic number, because the mean of its divisors is an integer number (2221721071).

Almost surely, 2^4443442141 is an apocalyptic number.

It is an amenable number.

4443442141 is a deficient number, since it is larger than the sum of its proper divisors (1).

4443442141 is an equidigital number, since it uses as much as digits as its factorization.

4443442141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24576, while the sum is 31.

The square root of 4443442141 is about 66659.1489669648. The cubic root of 4443442141 is about 1644.0177789520.

Adding to 4443442141 its reverse (1412443444), we get a palindrome (5855885585).

The spelling of 4443442141 in words is "four billion, four hundred forty-three million, four hundred forty-two thousand, one hundred forty-one".