6818795539 has 2 divisors, whose sum is σ = 6818795540. Its totient is φ = 6818795538.

The previous prime is 6818795509. The next prime is 6818795593. The reversal of 6818795539 is 9355978186.

Together with next prime (6818795593) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6818795539 - 2¹⁷ = 6818664467 is a prime.

It is not a weakly prime, because it can be changed into another prime (6818795509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3409397769 + 3409397770.

It is an arithmetic number, because the mean of its divisors is an integer number (3409397770).

Almost surely, 2^6818795539 is an apocalyptic number.

6818795539 is a deficient number, since it is larger than the sum of its proper divisors (1).

6818795539 is an equidigital number, since it uses as much as digits as its factorization.

6818795539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16329600, while the sum is 61.

The square root of 6818795539 is about 82575.9985649583. The cubic root of 6818795539 is about 1896.2803996797.

The spelling of 6818795539 in words is "six billion, eight hundred eighteen million, seven hundred ninety-five thousand, five hundred thirty-nine".