16959027209 has 2 divisors, whose sum is σ = 16959027210. Its totient is φ = 16959027208.

The previous prime is 16959027199. The next prime is 16959027233. The reversal of 16959027209 is 90272095961.

It is a happy number.

16959027209 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 can be written as a sum of positive squares in only one way, i.e., 14585875984 + 2373151225 = 120772^2 + 48715^2 .

It is a cyclic number.

It is not a de Polignac number, because 16959027209 - 2³² = 12664059913 is a prime.

It is not a weakly prime, because it can be changed into another prime (16959027409) 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, 8479513604 + 8479513605.

It is an arithmetic number, because the mean of its divisors is an integer number (8479513605).

Almost surely, 2^16959027209 is an apocalyptic number.

It is an amenable number.

16959027209 is a deficient number, since it is larger than the sum of its proper divisors (1).

16959027209 is an equidigital number, since it uses as much as digits as its factorization.

16959027209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 612360, while the sum is 50.

The spelling of 16959027209 in words is "sixteen billion, nine hundred fifty-nine million, twenty-seven thousand, two hundred nine".