12735433493 has 2 divisors, whose sum is σ = 12735433494. Its totient is φ = 12735433492.

The previous prime is 12735433439. The next prime is 12735433541. The reversal of 12735433493 is 39433453721.

Together with previous prime (12735433439) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11538411889 + 1197021604 = 107417^2 + 34598^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12735433493 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12735433093) 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, 6367716746 + 6367716747.

It is an arithmetic number, because the mean of its divisors is an integer number (6367716747).

Almost surely, 2^12735433493 is an apocalyptic number.

It is an amenable number.

12735433493 is a deficient number, since it is larger than the sum of its proper divisors (1).

12735433493 is an equidigital number, since it uses as much as digits as its factorization.

12735433493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 816480, while the sum is 44.

The spelling of 12735433493 in words is "twelve billion, seven hundred thirty-five million, four hundred thirty-three thousand, four hundred ninety-three".