6328643017 has 2 divisors, whose sum is σ = 6328643018. Its totient is φ = 6328643016.

The previous prime is 6328643003. The next prime is 6328643021. The reversal of 6328643017 is 7103468236.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4987325641 + 1341317376 = 70621^2 + 36624^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6328643017 is a prime.

It is not a weakly prime, because it can be changed into another prime (6328643077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3164321508 + 3164321509.

It is an arithmetic number, because the mean of its divisors is an integer number (3164321509).

Almost surely, 2^6328643017 is an apocalyptic number.

It is an amenable number.

6328643017 is a deficient number, since it is larger than the sum of its proper divisors (1).

6328643017 is an equidigital number, since it uses as much as digits as its factorization.

6328643017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 6328643017 is about 79552.7687575989. The cubic root of 6328643017 is about 1849.7095250781.

The spelling of 6328643017 in words is "six billion, three hundred twenty-eight million, six hundred forty-three thousand, seventeen".