6328838917 has 2 divisors, whose sum is σ = 6328838918. Its totient is φ = 6328838916.

The previous prime is 6328838903. The next prime is 6328838927. The reversal of 6328838917 is 7198388236.

It is a Cunningham number, because it is equal to 79554²+1.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6328838916 + 1 = 79554^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 6328838917 - 2¹¹ = 6328836869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6328838927) 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, 3164419458 + 3164419459.

It is an arithmetic number, because the mean of its divisors is an integer number (3164419459).

Almost surely, 2^6328838917 is an apocalyptic number.

It is an amenable number.

6328838917 is a deficient number, since it is larger than the sum of its proper divisors (1).

6328838917 is an equidigital number, since it uses as much as digits as its factorization.

6328838917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3483648, while the sum is 55.

The square root of 6328838917 is about 79554.0000062850. Note that the first 5 decimals coincide. The cubic root of 6328838917 is about 1849.7286104943.

The spelling of 6328838917 in words is "six billion, three hundred twenty-eight million, eight hundred thirty-eight thousand, nine hundred seventeen".