16393759891 has 2 divisors, whose sum is σ = 16393759892. Its totient is φ = 16393759890.

The previous prime is 16393759843. The next prime is 16393759901. The reversal of 16393759891 is 19895739361.

16393759891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (19895739361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16393759891 - 2¹¹ = 16393757843 is a prime.

It is not a weakly prime, because it can be changed into another prime (16393789891) 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, 8196879945 + 8196879946.

It is an arithmetic number, because the mean of its divisors is an integer number (8196879946).

Almost surely, 2^16393759891 is an apocalyptic number.

16393759891 is a deficient number, since it is larger than the sum of its proper divisors (1).

16393759891 is an equidigital number, since it uses as much as digits as its factorization.

16393759891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11022480, while the sum is 61.

The spelling of 16393759891 in words is "sixteen billion, three hundred ninety-three million, seven hundred fifty-nine thousand, eight hundred ninety-one".