4021441413439 has 2 divisors, whose sum is σ = 4021441413440. Its totient is φ = 4021441413438.

The previous prime is 4021441413421. The next prime is 4021441413533. The reversal of 4021441413439 is 9343141441204.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4021441413439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4021441413139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010720706719 + 2010720706720.

It is an arithmetic number, because the mean of its divisors is an integer number (2010720706720).

Almost surely, 2^{4021441413439} is an apocalyptic number.

4021441413439 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021441413439 is an equidigital number, since it uses as much as digits as its factorization.

4021441413439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 4021441413439 in words is "four trillion, twenty-one billion, four hundred forty-one million, four hundred thirteen thousand, four hundred thirty-nine".