336668669 has 2 divisors, whose sum is σ = 336668670. Its totient is φ = 336668668.

The previous prime is 336668659. The next prime is 336668693. The reversal of 336668669 is 966866633.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 332515225 + 4153444 = 18235^2 + 2038^2 .

It is a cyclic number.

It is not a de Polignac number, because 336668669 - 2²⁸ = 68233213 is a prime.

It is a super-2 number, since 2×336668669² = 226691585372463122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 336668669.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (336668639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168334334 + 168334335.

It is an arithmetic number, because the mean of its divisors is an integer number (168334335).

Almost surely, 2^336668669 is an apocalyptic number.

It is an amenable number.

336668669 is a deficient number, since it is larger than the sum of its proper divisors (1).

336668669 is an equidigital number, since it uses as much as digits as its factorization.

336668669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5038848, while the sum is 53.

The square root of 336668669 is about 18348.5331566313. The cubic root of 336668669 is about 695.6661962596. Note that the first 3 decimals are identical.

The spelling of 336668669 in words is "three hundred thirty-six million, six hundred sixty-eight thousand, six hundred sixty-nine".