6801328517 has 2 divisors, whose sum is σ = 6801328518. Its totient is φ = 6801328516.

The previous prime is 6801328507. The next prime is 6801328543. The reversal of 6801328517 is 7158231086.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4655878756 + 2145449761 = 68234^2 + 46319^2 .

It is a cyclic number.

It is not a de Polignac number, because 6801328517 - 2¹² = 6801324421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6801328507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3400664258 + 3400664259.

It is an arithmetic number, because the mean of its divisors is an integer number (3400664259).

Almost surely, 2^6801328517 is an apocalyptic number.

It is an amenable number.

6801328517 is a deficient number, since it is larger than the sum of its proper divisors (1).

6801328517 is an equidigital number, since it uses as much as digits as its factorization.

6801328517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 6801328517 is about 82470.1674364737. The cubic root of 6801328517 is about 1894.6598449611.

The spelling of 6801328517 in words is "six billion, eight hundred one million, three hundred twenty-eight thousand, five hundred seventeen".