336656585656873 has 2 divisors, whose sum is σ = 336656585656874. Its totient is φ = 336656585656872.

The previous prime is 336656585656871. The next prime is 336656585656921. The reversal of 336656585656873 is 378656585656633.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 194261934332944 + 142394651323929 = 13937788^2 + 11932923^2 .

It is an emirp because it is prime and its reverse (378656585656633) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 336656585656873 - 2¹ = 336656585656871 is a prime.

It is a super-2 number, since 2×336656585656873² (a number of 30 digits) contains 22 as substring.

Together with 336656585656871, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (336656585656871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168328292828436 + 168328292828437.

It is an arithmetic number, because the mean of its divisors is an integer number (168328292828437).

Almost surely, 2^{336656585656873} is an apocalyptic number.

It is an amenable number.

336656585656873 is a deficient number, since it is larger than the sum of its proper divisors (1).

336656585656873 is an equidigital number, since it uses as much as digits as its factorization.

336656585656873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58786560000, while the sum is 82.

The spelling of 336656585656873 in words is "three hundred thirty-six trillion, six hundred fifty-six billion, five hundred eighty-five million, six hundred fifty-six thousand, eight hundred seventy-three".