4021444444463 has 2 divisors, whose sum is σ = 4021444444464. Its totient is φ = 4021444444462.

The previous prime is 4021444444439. The next prime is 4021444444477. The reversal of 4021444444463 is 3644444441204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4021444444463 - 2³⁰ = 4020370702639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4021444444663) 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, 2010722222231 + 2010722222232.

It is an arithmetic number, because the mean of its divisors is an integer number (2010722222232).

Almost surely, 2^{4021444444463} is an apocalyptic number.

4021444444463 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021444444463 is an equidigital number, since it uses as much as digits as its factorization.

4021444444463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2359296, while the sum is 44.

Adding to 4021444444463 its reverse (3644444441204), we get a palindrome (7665888885667).

The spelling of 4021444444463 in words is "four trillion, twenty-one billion, four hundred forty-four million, four hundred forty-four thousand, four hundred sixty-three".