5243335764791 has 2 divisors, whose sum is σ = 5243335764792. Its totient is φ = 5243335764790.

The previous prime is 5243335764781. The next prime is 5243335764803. The reversal of 5243335764791 is 1974675333425.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5243335764791 - 2⁶ = 5243335764727 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5243335764791.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5243335764781) 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, 2621667882395 + 2621667882396.

It is an arithmetic number, because the mean of its divisors is an integer number (2621667882396).

Almost surely, 2^{5243335764791} is an apocalyptic number.

5243335764791 is a deficient number, since it is larger than the sum of its proper divisors (1).

5243335764791 is an equidigital number, since it uses as much as digits as its factorization.

5243335764791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 57153600, while the sum is 59.

The spelling of 5243335764791 in words is "five trillion, two hundred forty-three billion, three hundred thirty-five million, seven hundred sixty-four thousand, seven hundred ninety-one".