4144121441 has 2 divisors, whose sum is σ = 4144121442. Its totient is φ = 4144121440.

The previous prime is 4144121417. The next prime is 4144121477. The reversal of 4144121441 is 1441214414.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3582621025 + 561500416 = 59855^2 + 23696^2 .

It is a cyclic number.

It is not a de Polignac number, because 4144121441 - 2²² = 4139927137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4144121441.

It is not a weakly prime, because it can be changed into another prime (4144121491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2072060720 + 2072060721.

It is an arithmetic number, because the mean of its divisors is an integer number (2072060721).

Almost surely, 2^4144121441 is an apocalyptic number.

It is an amenable number.

4144121441 is a deficient number, since it is larger than the sum of its proper divisors (1).

4144121441 is an equidigital number, since it uses as much as digits as its factorization.

4144121441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2048, while the sum is 26.

The square root of 4144121441 is about 64374.8509978858. The cubic root of 4144121441 is about 1606.2414337868.

Adding to 4144121441 its reverse (1441214414), we get a palindrome (5585335855).

The spelling of 4144121441 in words is "four billion, one hundred forty-four million, one hundred twenty-one thousand, four hundred forty-one".