6543195559 has 2 divisors, whose sum is σ = 6543195560. Its totient is φ = 6543195558.

The previous prime is 6543195481. The next prime is 6543195583. The reversal of 6543195559 is 9555913456.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6543195559 - 2⁹ = 6543195047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6543195259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3271597779 + 3271597780.

It is an arithmetic number, because the mean of its divisors is an integer number (3271597780).

Almost surely, 2^6543195559 is an apocalyptic number.

6543195559 is a deficient number, since it is larger than the sum of its proper divisors (1).

6543195559 is an equidigital number, since it uses as much as digits as its factorization.

6543195559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3645000, while the sum is 52.

The square root of 6543195559 is about 80890.0213808848. The cubic root of 6543195559 is about 1870.3805033709.

The spelling of 6543195559 in words is "six billion, five hundred forty-three million, one hundred ninety-five thousand, five hundred fifty-nine".