14206814891 has 2 divisors, whose sum is σ = 14206814892. Its totient is φ = 14206814890.

The previous prime is 14206814863. The next prime is 14206814933. The reversal of 14206814891 is 19841860241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14206814891 - 2²² = 14202620587 is a prime.

It is not a weakly prime, because it can be changed into another prime (14206814861) 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, 7103407445 + 7103407446.

It is an arithmetic number, because the mean of its divisors is an integer number (7103407446).

Almost surely, 2^14206814891 is an apocalyptic number.

14206814891 is a deficient number, since it is larger than the sum of its proper divisors (1).

14206814891 is an equidigital number, since it uses as much as digits as its factorization.

14206814891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110592, while the sum is 44.

The spelling of 14206814891 in words is "fourteen billion, two hundred six million, eight hundred fourteen thousand, eight hundred ninety-one".