6683837813 has 2 divisors, whose sum is σ = 6683837814. Its totient is φ = 6683837812.

The previous prime is 6683837761. The next prime is 6683837821. The reversal of 6683837813 is 3187383866.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3570421009 + 3113416804 = 59753^2 + 55798^2 .

It is a cyclic number.

It is not a de Polignac number, because 6683837813 - 2⁸ = 6683837557 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6683857813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3341918906 + 3341918907.

It is an arithmetic number, because the mean of its divisors is an integer number (3341918907).

Almost surely, 2^6683837813 is an apocalyptic number.

It is an amenable number.

6683837813 is a deficient number, since it is larger than the sum of its proper divisors (1).

6683837813 is an equidigital number, since it uses as much as digits as its factorization.

6683837813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3483648, while the sum is 53.

The square root of 6683837813 is about 81754.7418380121. The cubic root of 6683837813 is about 1883.6865391653.

The spelling of 6683837813 in words is "six billion, six hundred eighty-three million, eight hundred thirty-seven thousand, eight hundred thirteen".