52534895689 has 2 divisors, whose sum is σ = 52534895690. Its totient is φ = 52534895688.

The previous prime is 52534895687. The next prime is 52534895717. The reversal of 52534895689 is 98659843525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34222040064 + 18312855625 = 184992^2 + 135325^2 .

It is a cyclic number.

It is not a de Polignac number, because 52534895689 - 2¹ = 52534895687 is a prime.

It is a super-2 number, since 2×52534895689² (a number of 22 digits) contains 22 as substring.

Together with 52534895687, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 52534895689.

It is not a weakly prime, because it can be changed into another prime (52534895687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26267447844 + 26267447845.

It is an arithmetic number, because the mean of its divisors is an integer number (26267447845).

Almost surely, 2^52534895689 is an apocalyptic number.

It is an amenable number.

52534895689 is a deficient number, since it is larger than the sum of its proper divisors (1).

52534895689 is an equidigital number, since it uses as much as digits as its factorization.

52534895689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312000, while the sum is 64.

The spelling of 52534895689 in words is "fifty-two billion, five hundred thirty-four million, eight hundred ninety-five thousand, six hundred eighty-nine".