4042078768171 has 2 divisors, whose sum is σ = 4042078768172. Its totient is φ = 4042078768170.

The previous prime is 4042078768153. The next prime is 4042078768237. The reversal of 4042078768171 is 1718678702404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4042078768171 - 2⁷ = 4042078768043 is a prime.

It is not a weakly prime, because it can be changed into another prime (4042078768571) 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, 2021039384085 + 2021039384086.

It is an arithmetic number, because the mean of its divisors is an integer number (2021039384086).

Almost surely, 2^{4042078768171} is an apocalyptic number.

4042078768171 is a deficient number, since it is larger than the sum of its proper divisors (1).

4042078768171 is an equidigital number, since it uses as much as digits as its factorization.

4042078768171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4214784, while the sum is 55.

The spelling of 4042078768171 in words is "four trillion, forty-two billion, seventy-eight million, seven hundred sixty-eight thousand, one hundred seventy-one".