6836065991 has 2 divisors, whose sum is σ = 6836065992. Its totient is φ = 6836065990.

The previous prime is 6836065963. The next prime is 6836066021. The reversal of 6836065991 is 1995606386.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6836065991 - 2⁶ = 6836065927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6836065931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3418032995 + 3418032996.

It is an arithmetic number, because the mean of its divisors is an integer number (3418032996).

Almost surely, 2^6836065991 is an apocalyptic number.

6836065991 is a deficient number, since it is larger than the sum of its proper divisors (1).

6836065991 is an equidigital number, since it uses as much as digits as its factorization.

6836065991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2099520, while the sum is 53.

The square root of 6836065991 is about 82680.5055076467. The cubic root of 6836065991 is about 1897.8799983757.

The spelling of 6836065991 in words is "six billion, eight hundred thirty-six million, sixty-five thousand, nine hundred ninety-one".