4021442242193 has 2 divisors, whose sum is σ = 4021442242194. Its totient is φ = 4021442242192.

The previous prime is 4021442242163. The next prime is 4021442242231. The reversal of 4021442242193 is 3912422441204.

It is an a-pointer prime, because the next prime (4021442242231) can be obtained adding 4021442242193 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2684905090624 + 1336537151569 = 1638568^2 + 1156087^2 .

It is a cyclic number.

It is not a de Polignac number, because 4021442242193 - 2²⁸ = 4021173806737 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4021442242163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010721121096 + 2010721121097.

It is an arithmetic number, because the mean of its divisors is an integer number (2010721121097).

Almost surely, 2^{4021442242193} is an apocalyptic number.

It is an amenable number.

4021442242193 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021442242193 is an equidigital number, since it uses as much as digits as its factorization.

4021442242193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110592, while the sum is 38.

Adding to 4021442242193 its reverse (3912422441204), we get a palindrome (7933864683397).

The spelling of 4021442242193 in words is "four trillion, twenty-one billion, four hundred forty-two million, two hundred forty-two thousand, one hundred ninety-three".