336666666989 has 2 divisors, whose sum is σ = 336666666990. Its totient is φ = 336666666988.

The previous prime is 336666666983. The next prime is 336666667021. The reversal of 336666666989 is 989666666633.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 210245175625 + 126421491364 = 458525^2 + 355558^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-336666666989 is a prime.

It is a super-2 number, since 2×336666666989² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (336666666983) 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, 168333333494 + 168333333495.

It is an arithmetic number, because the mean of its divisors is an integer number (168333333495).

Almost surely, 2^336666666989 is an apocalyptic number.

It is an amenable number.

336666666989 is a deficient number, since it is larger than the sum of its proper divisors (1).

336666666989 is an equidigital number, since it uses as much as digits as its factorization.

336666666989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632586752, while the sum is 74.

The spelling of 336666666989 in words is "three hundred thirty-six billion, six hundred sixty-six million, six hundred sixty-six thousand, nine hundred eighty-nine".