849668933 has 2 divisors, whose sum is σ = 849668934. Its totient is φ = 849668932.

The previous prime is 849668929. The next prime is 849668947. The reversal of 849668933 is 339866948.

849668933 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 736416769 + 113252164 = 27137^2 + 10642^2 .

It is a cyclic number.

It is not a de Polignac number, because 849668933 - 2² = 849668929 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (849668983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 424834466 + 424834467.

It is an arithmetic number, because the mean of its divisors is an integer number (424834467).

Almost surely, 2^849668933 is an apocalyptic number.

It is an amenable number.

849668933 is a deficient number, since it is larger than the sum of its proper divisors (1).

849668933 is an equidigital number, since it uses as much as digits as its factorization.

849668933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6718464, while the sum is 56.

The square root of 849668933 is about 29149.0811690523. The cubic root of 849668933 is about 947.1452371944.

The spelling of 849668933 in words is "eight hundred forty-nine million, six hundred sixty-eight thousand, nine hundred thirty-three".