6318751325197 has 2 divisors, whose sum is σ = 6318751325198. Its totient is φ = 6318751325196.

The previous prime is 6318751325149. The next prime is 6318751325233. The reversal of 6318751325197 is 7915231578136.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5228420657476 + 1090330667721 = 2286574^2 + 1044189^2 .

It is a cyclic number.

It is not a de Polignac number, because 6318751325197 - 2¹⁹ = 6318750800909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6318751325147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3159375662598 + 3159375662599.

It is an arithmetic number, because the mean of its divisors is an integer number (3159375662599).

Almost surely, 2^{6318751325197} is an apocalyptic number.

It is an amenable number.

6318751325197 is a deficient number, since it is larger than the sum of its proper divisors (1).

6318751325197 is an equidigital number, since it uses as much as digits as its factorization.

6318751325197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9525600, while the sum is 58.

The spelling of 6318751325197 in words is "six trillion, three hundred eighteen billion, seven hundred fifty-one million, three hundred twenty-five thousand, one hundred ninety-seven".