4021444134413 has 2 divisors, whose sum is σ = 4021444134414. Its totient is φ = 4021444134412.

The previous prime is 4021444134403. The next prime is 4021444134437. The reversal of 4021444134413 is 3144314441204.

4021444134413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2727032785129 + 1294411349284 = 1651373^2 + 1137722^2 .

It is a cyclic number.

It is not a de Polignac number, because 4021444134413 - 2²⁰ = 4021443085837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4021444134403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010722067206 + 2010722067207.

It is an arithmetic number, because the mean of its divisors is an integer number (2010722067207).

Almost surely, 2^{4021444134413} is an apocalyptic number.

It is an amenable number.

4021444134413 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021444134413 is an equidigital number, since it uses as much as digits as its factorization.

4021444134413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 73728, while the sum is 35.

Adding to 4021444134413 its reverse (3144314441204), we get a palindrome (7165758575617).

The spelling of 4021444134413 in words is "four trillion, twenty-one billion, four hundred forty-four million, one hundred thirty-four thousand, four hundred thirteen".