12535483889 has 2 divisors, whose sum is σ = 12535483890. Its totient is φ = 12535483888.

The previous prime is 12535483859. The next prime is 12535483937. The reversal of 12535483889 is 98838453521.

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., 10776100864 + 1759383025 = 103808^2 + 41945^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12535483889 is a prime.

It is not a weakly prime, because it can be changed into another prime (12535483859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6267741944 + 6267741945.

It is an arithmetic number, because the mean of its divisors is an integer number (6267741945).

Almost surely, 2^12535483889 is an apocalyptic number.

It is an amenable number.

12535483889 is a deficient number, since it is larger than the sum of its proper divisors (1).

12535483889 is an equidigital number, since it uses as much as digits as its factorization.

12535483889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8294400, while the sum is 56.

The spelling of 12535483889 in words is "twelve billion, five hundred thirty-five million, four hundred eighty-three thousand, eight hundred eighty-nine".