14000199991 has 2 divisors, whose sum is σ = 14000199992. Its totient is φ = 14000199990.

The previous prime is 14000199973. The next prime is 14000200033. The reversal of 14000199991 is 19999100041.

14000199991 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14000199991 - 2¹¹ = 14000197943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14000199901) 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, 7000099995 + 7000099996.

It is an arithmetic number, because the mean of its divisors is an integer number (7000099996).

Almost surely, 2^14000199991 is an apocalyptic number.

14000199991 is a deficient number, since it is larger than the sum of its proper divisors (1).

14000199991 is an equidigital number, since it uses as much as digits as its factorization.

14000199991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26244, while the sum is 43.

The spelling of 14000199991 in words is "fourteen billion, one hundred ninety-nine thousand, nine hundred ninety-one".