4021444411213 has 2 divisors, whose sum is σ = 4021444411214. Its totient is φ = 4021444411212.

The previous prime is 4021444411211. The next prime is 4021444411219. The reversal of 4021444411213 is 3121144441204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3603303708169 + 418140703044 = 1898237^2 + 646638^2 .

It is a cyclic number.

It is not a de Polignac number, because 4021444411213 - 2¹ = 4021444411211 is a prime.

Together with 4021444411211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4021444411211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010722205606 + 2010722205607.

It is an arithmetic number, because the mean of its divisors is an integer number (2010722205607).

Almost surely, 2^{4021444411213} is an apocalyptic number.

It is an amenable number.

4021444411213 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021444411213 is an equidigital number, since it uses as much as digits as its factorization.

4021444411213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12288, while the sum is 31.

Adding to 4021444411213 its reverse (3121144441204), we get a palindrome (7142588852417).

The spelling of 4021444411213 in words is "four trillion, twenty-one billion, four hundred forty-four million, four hundred eleven thousand, two hundred thirteen".