6328591697 has 2 divisors, whose sum is σ = 6328591698. Its totient is φ = 6328591696.

The previous prime is 6328591667. The next prime is 6328591733. The reversal of 6328591697 is 7961958236.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6122123536 + 206468161 = 78244^2 + 14369^2 .

It is a cyclic number.

It is not a de Polignac number, because 6328591697 - 2¹⁴ = 6328575313 is a prime.

It is not a weakly prime, because it can be changed into another prime (6328591667) 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, 3164295848 + 3164295849.

It is an arithmetic number, because the mean of its divisors is an integer number (3164295849).

Almost surely, 2^6328591697 is an apocalyptic number.

It is an amenable number.

6328591697 is a deficient number, since it is larger than the sum of its proper divisors (1).

6328591697 is an equidigital number, since it uses as much as digits as its factorization.

6328591697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4898880, while the sum is 56.

The square root of 6328591697 is about 79552.4462037466. The cubic root of 6328591697 is about 1849.7045251990.

The spelling of 6328591697 in words is "six billion, three hundred twenty-eight million, five hundred ninety-one thousand, six hundred ninety-seven".