522728576399 has 4 divisors (see below), whose sum is σ = 528601931280. Its totient is φ = 516855221520.

The previous prime is 522728576347. The next prime is 522728576471. The reversal of 522728576399 is 993675827225.

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 522728576399 - 2²⁰ = 522727527823 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 (522728576329) 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, 2936677307 + ... + 2936677484.

It is an arithmetic number, because the mean of its divisors is an integer number (132150482820).

Almost surely, 2^522728576399 is an apocalyptic number.

522728576399 is a deficient number, since it is larger than the sum of its proper divisors (5873354881).

522728576399 is an equidigital number, since it uses as much as digits as its factorization.

522728576399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5873354880.

The product of its digits is 114307200, while the sum is 65.

The spelling of 522728576399 in words is "five hundred twenty-two billion, seven hundred twenty-eight million, five hundred seventy-six thousand, three hundred ninety-nine".