6375847201993 has 2 divisors, whose sum is σ = 6375847201994. Its totient is φ = 6375847201992.

The previous prime is 6375847201909. The next prime is 6375847202017. The reversal of 6375847201993 is 3991027485736.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4809652520464 + 1566194681529 = 2193092^2 + 1251477^2 .

It is a cyclic number.

It is not a de Polignac number, because 6375847201993 - 2⁹ = 6375847201481 is a prime.

It is not a weakly prime, because it can be changed into another prime (6375847201093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3187923600996 + 3187923600997.

It is an arithmetic number, because the mean of its divisors is an integer number (3187923600997).

It is a 2-persistent number, because it is pandigital, and so is 2⋅6375847201993 = 12751694403986, but 3⋅6375847201993 = 19127541605979 is not.

Almost surely, 2^{6375847201993} is an apocalyptic number.

It is an amenable number.

6375847201993 is a deficient number, since it is larger than the sum of its proper divisors (1).

6375847201993 is an equidigital number, since it uses as much as digits as its factorization.

6375847201993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68584320, while the sum is 64.

The spelling of 6375847201993 in words is "six trillion, three hundred seventy-five billion, eight hundred forty-seven million, two hundred one thousand, nine hundred ninety-three".