6650849 has 2 divisors, whose sum is σ = 6650850. Its totient is φ = 6650848.

The previous prime is 6650843. The next prime is 6650867. The reversal of 6650849 is 9480566.

6650849 is digitally balanced in base 3, 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., 3385600 + 3265249 = 1840^2 + 1807^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6650849 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (6650843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3325424 + 3325425.

It is an arithmetic number, because the mean of its divisors is an integer number (3325425).

Almost surely, 2^6650849 is an apocalyptic number.

It is an amenable number.

6650849 is a deficient number, since it is larger than the sum of its proper divisors (1).

6650849 is an equidigital number, since it uses as much as digits as its factorization.

6650849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 6650849 is about 2578.9240004312. The cubic root of 6650849 is about 188.0582379556.

The spelling of 6650849 in words is "six million, six hundred fifty thousand, eight hundred forty-nine".