6605753267543 has 2 divisors, whose sum is σ = 6605753267544. Its totient is φ = 6605753267542.

The previous prime is 6605753267539. The next prime is 6605753267587. The reversal of 6605753267543 is 3457623575066.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6605753267543 - 2² = 6605753267539 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6605753267143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3302876633771 + 3302876633772.

It is an arithmetic number, because the mean of its divisors is an integer number (3302876633772).

Almost surely, 2^{6605753267543} is an apocalyptic number.

6605753267543 is a deficient number, since it is larger than the sum of its proper divisors (1).

6605753267543 is an equidigital number, since it uses as much as digits as its factorization.

6605753267543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 95256000, while the sum is 59.

The spelling of 6605753267543 in words is "six trillion, six hundred five billion, seven hundred fifty-three million, two hundred sixty-seven thousand, five hundred forty-three".