12535777073 has 2 divisors, whose sum is σ = 12535777074. Its totient is φ = 12535777072.

The previous prime is 12535777069. The next prime is 12535777127. The reversal of 12535777073 is 37077753521.

12535777073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12353877904 + 181899169 = 111148^2 + 13487^2 .

It is an emirp because it is prime and its reverse (37077753521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12535777073 - 2² = 12535777069 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12535777673) 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, 6267888536 + 6267888537.

It is an arithmetic number, because the mean of its divisors is an integer number (6267888537).

Almost surely, 2^12535777073 is an apocalyptic number.

It is an amenable number.

12535777073 is a deficient number, since it is larger than the sum of its proper divisors (1).

12535777073 is an equidigital number, since it uses as much as digits as its factorization.

12535777073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080450, while the sum is 47.

The spelling of 12535777073 in words is "twelve billion, five hundred thirty-five million, seven hundred seventy-seven thousand, seventy-three".