4042122422449 has 2 divisors, whose sum is σ = 4042122422450. Its totient is φ = 4042122422448.

The previous prime is 4042122422321. The next prime is 4042122422531. The reversal of 4042122422449 is 9442242212404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2917971154849 + 1124151267600 = 1708207^2 + 1060260^2 .

It is a cyclic number.

It is not a de Polignac number, because 4042122422449 - 2⁷ = 4042122422321 is a prime.

It is not a weakly prime, because it can be changed into another prime (4042122425449) 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, 2021061211224 + 2021061211225.

It is an arithmetic number, because the mean of its divisors is an integer number (2021061211225).

Almost surely, 2^{4042122422449} is an apocalyptic number.

It is an amenable number.

4042122422449 is a deficient number, since it is larger than the sum of its proper divisors (1).

4042122422449 is an equidigital number, since it uses as much as digits as its factorization.

4042122422449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 294912, while the sum is 40.

The spelling of 4042122422449 in words is "four trillion, forty-two billion, one hundred twenty-two million, four hundred twenty-two thousand, four hundred forty-nine".