6838006999 has 2 divisors, whose sum is σ = 6838007000. Its totient is φ = 6838006998.

The previous prime is 6838006997. The next prime is 6838007083. The reversal of 6838006999 is 9996008386.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6838006999 - 2¹ = 6838006997 is a prime.

Together with 6838006997, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6838006991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3419003499 + 3419003500.

It is an arithmetic number, because the mean of its divisors is an integer number (3419003500).

Almost surely, 2^6838006999 is an apocalyptic number.

6838006999 is a deficient number, since it is larger than the sum of its proper divisors (1).

6838006999 is an equidigital number, since it uses as much as digits as its factorization.

6838006999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5038848, while the sum is 58.

The square root of 6838006999 is about 82692.2426772911. The cubic root of 6838006999 is about 1898.0596071187.

The spelling of 6838006999 in words is "six billion, eight hundred thirty-eight million, six thousand, nine hundred ninety-nine".