4042251136841 has 2 divisors, whose sum is σ = 4042251136842. Its totient is φ = 4042251136840.

The previous prime is 4042251136799. The next prime is 4042251136849. The reversal of 4042251136841 is 1486311522404.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3233537625616 + 808713511225 = 1798204^2 + 899285^2 .

It is a cyclic number.

It is not a de Polignac number, because 4042251136841 - 2²⁶ = 4042184027977 is a prime.

It is not a weakly prime, because it can be changed into another prime (4042251136849) 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, 2021125568420 + 2021125568421.

It is an arithmetic number, because the mean of its divisors is an integer number (2021125568421).

Almost surely, 2^{4042251136841} is an apocalyptic number.

It is an amenable number.

4042251136841 is a deficient number, since it is larger than the sum of its proper divisors (1).

4042251136841 is an equidigital number, since it uses as much as digits as its factorization.

4042251136841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 184320, while the sum is 41.

The spelling of 4042251136841 in words is "four trillion, forty-two billion, two hundred fifty-one million, one hundred thirty-six thousand, eight hundred forty-one".