4042105679 has 2 divisors, whose sum is σ = 4042105680. Its totient is φ = 4042105678.

The previous prime is 4042105643. The next prime is 4042105681. The reversal of 4042105679 is 9765012404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4042105679 - 2⁸ = 4042105423 is a prime.

Together with 4042105681, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4042105699) 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, 2021052839 + 2021052840.

It is an arithmetic number, because the mean of its divisors is an integer number (2021052840).

Almost surely, 2^4042105679 is an apocalyptic number.

4042105679 is a deficient number, since it is larger than the sum of its proper divisors (1).

4042105679 is an equidigital number, since it uses as much as digits as its factorization.

4042105679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 4042105679 is about 63577.5564094752. The cubic root of 4042105679 is about 1592.9515050822.

The spelling of 4042105679 in words is "four billion, forty-two million, one hundred five thousand, six hundred seventy-nine".