14422242001991 has 2 divisors, whose sum is σ = 14422242001992. Its totient is φ = 14422242001990.

The previous prime is 14422242001961. The next prime is 14422242002041. The reversal of 14422242001991 is 19910024222441.

It is a weak prime.

It is an emirp because it is prime and its reverse (19910024222441) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14422242001991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14422242001931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7211121000995 + 7211121000996.

It is an arithmetic number, because the mean of its divisors is an integer number (7211121000996).

Almost surely, 2^{14422242001991} is an apocalyptic number.

14422242001991 is a deficient number, since it is larger than the sum of its proper divisors (1).

14422242001991 is an equidigital number, since it uses as much as digits as its factorization.

14422242001991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 41.

The spelling of 14422242001991 in words is "fourteen trillion, four hundred twenty-two billion, two hundred forty-two million, one thousand, nine hundred ninety-one".