16964984673853 has 2 divisors, whose sum is σ = 16964984673854. Its totient is φ = 16964984673852.

The previous prime is 16964984673851. The next prime is 16964984673941. The reversal of 16964984673853 is 35837648946961.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15464060758969 + 1500923914884 = 3932437^2 + 1225122^2 .

It is an emirp because it is prime and its reverse (35837648946961) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16964984673853 - 2¹ = 16964984673851 is a prime.

Together with 16964984673851, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16964984673851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8482492336926 + 8482492336927.

It is an arithmetic number, because the mean of its divisors is an integer number (8482492336927).

Almost surely, 2^{16964984673853} is an apocalyptic number.

It is an amenable number.

16964984673853 is a deficient number, since it is larger than the sum of its proper divisors (1).

16964984673853 is an equidigital number, since it uses as much as digits as its factorization.

16964984673853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5643509760, while the sum is 79.

The spelling of 16964984673853 in words is "sixteen trillion, nine hundred sixty-four billion, nine hundred eighty-four million, six hundred seventy-three thousand, eight hundred fifty-three".