16853333689 has 2 divisors, whose sum is σ = 16853333690. Its totient is φ = 16853333688.

The previous prime is 16853333683. The next prime is 16853333713. The reversal of 16853333689 is 98633335861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8475043600 + 8378290089 = 92060^2 + 91533^2 .

It is a cyclic number.

It is not a de Polignac number, because 16853333689 - 2¹¹ = 16853331641 is a prime.

It is not a weakly prime, because it can be changed into another prime (16853333683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8426666844 + 8426666845.

It is an arithmetic number, because the mean of its divisors is an integer number (8426666845).

Almost surely, 2^16853333689 is an apocalyptic number.

It is an amenable number.

16853333689 is a deficient number, since it is larger than the sum of its proper divisors (1).

16853333689 is an equidigital number, since it uses as much as digits as its factorization.

16853333689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8398080, while the sum is 55.

The spelling of 16853333689 in words is "sixteen billion, eight hundred fifty-three million, three hundred thirty-three thousand, six hundred eighty-nine".