522343209311999 has 4 divisors (see below), whose sum is σ = 545053783629936. Its totient is φ = 499632634994064.

The previous prime is 522343209311981. The next prime is 522343209312011. The reversal of 522343209311999 is 999113902343225.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 522343209311999 - 2²⁴ = 522343192534783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522343209311299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11355287158934 + ... + 11355287158979.

It is an arithmetic number, because the mean of its divisors is an integer number (136263445907484).

Almost surely, 2^{522343209311999} is an apocalyptic number.

522343209311999 is a deficient number, since it is larger than the sum of its proper divisors (22710574317937).

522343209311999 is a wasteful number, since it uses less digits than its factorization.

522343209311999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22710574317936.

The product of its (nonzero) digits is 28343520, while the sum is 62.

The spelling of 522343209311999 in words is "five hundred twenty-two trillion, three hundred forty-three billion, two hundred nine million, three hundred eleven thousand, nine hundred ninety-nine".