42068117699 has 2 divisors, whose sum is σ = 42068117700. Its totient is φ = 42068117698.

The previous prime is 42068117677. The next prime is 42068117719. The reversal of 42068117699 is 99671186024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42068117699 - 2²⁴ = 42051340483 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42068117699.

It is not a weakly prime, because it can be changed into another prime (42068117899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21034058849 + 21034058850.

It is an arithmetic number, because the mean of its divisors is an integer number (21034058850).

Almost surely, 2^42068117699 is an apocalyptic number.

42068117699 is a deficient number, since it is larger than the sum of its proper divisors (1).

42068117699 is an equidigital number, since it uses as much as digits as its factorization.

42068117699 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 53.

The spelling of 42068117699 in words is "forty-two billion, sixty-eight million, one hundred seventeen thousand, six hundred ninety-nine".