663143505341189 has 2 divisors, whose sum is σ = 663143505341190. Its totient is φ = 663143505341188.

The previous prime is 663143505341159. The next prime is 663143505341381. The reversal of 663143505341189 is 981143505341366.

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., 412690408337089 + 250453097004100 = 20314783^2 + 15825710^2 .

It is a cyclic number.

It is not a de Polignac number, because 663143505341189 - 2²⁸ = 663143236905733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (663143505341159) 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, 331571752670594 + 331571752670595.

It is an arithmetic number, because the mean of its divisors is an integer number (331571752670595).

Almost surely, 2^{663143505341189} is an apocalyptic number.

It is an amenable number.

663143505341189 is a deficient number, since it is larger than the sum of its proper divisors (1).

663143505341189 is an equidigital number, since it uses as much as digits as its factorization.

663143505341189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27993600, while the sum is 59.

The spelling of 663143505341189 in words is "six hundred sixty-three trillion, one hundred forty-three billion, five hundred five million, three hundred forty-one thousand, one hundred eighty-nine".