52327820569 has 2 divisors, whose sum is σ = 52327820570. Its totient is φ = 52327820568.

The previous prime is 52327820563. The next prime is 52327820609. The reversal of 52327820569 is 96502872325.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31371494400 + 20956326169 = 177120^2 + 144763^2 .

It is a cyclic number.

It is not a de Polignac number, because 52327820569 - 2⁹ = 52327820057 is a prime.

It is a super-2 number, since 2×52327820569² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (52327820563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26163910284 + 26163910285.

It is an arithmetic number, because the mean of its divisors is an integer number (26163910285).

Almost surely, 2^52327820569 is an apocalyptic number.

It is an amenable number.

52327820569 is a deficient number, since it is larger than the sum of its proper divisors (1).

52327820569 is an equidigital number, since it uses as much as digits as its factorization.

52327820569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1814400, while the sum is 49.

The spelling of 52327820569 in words is "fifty-two billion, three hundred twenty-seven million, eight hundred twenty thousand, five hundred sixty-nine".