6800999 has 2 divisors, whose sum is σ = 6801000. Its totient is φ = 6800998.

The previous prime is 6800929. The next prime is 6801001. The reversal of 6800999 is 9990086.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6800999 - 2⁸ = 6800743 is a prime.

It is a Sophie Germain prime.

Together with 6801001, it forms a pair of twin primes.

It is a Chen prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6800929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3400499 + 3400500.

It is an arithmetic number, because the mean of its divisors is an integer number (3400500).

Almost surely, 2^6800999 is an apocalyptic number.

6800999 is a deficient number, since it is larger than the sum of its proper divisors (1).

6800999 is an equidigital number, since it uses as much as digits as its factorization.

6800999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 6800999 is about 2607.8725045523. The cubic root of 6800999 is about 189.4629246394.

The spelling of 6800999 in words is "six million, eight hundred thousand, nine hundred ninety-nine".