12535489927 has 2 divisors, whose sum is σ = 12535489928. Its totient is φ = 12535489926.

The previous prime is 12535489909. The next prime is 12535489949. The reversal of 12535489927 is 72998453521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12535489927 - 2¹¹ = 12535487879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12535489957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6267744963 + 6267744964.

It is an arithmetic number, because the mean of its divisors is an integer number (6267744964).

Almost surely, 2^12535489927 is an apocalyptic number.

12535489927 is a deficient number, since it is larger than the sum of its proper divisors (1).

12535489927 is an equidigital number, since it uses as much as digits as its factorization.

12535489927 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5443200, while the sum is 55.

The spelling of 12535489927 in words is "twelve billion, five hundred thirty-five million, four hundred eighty-nine thousand, nine hundred twenty-seven".