12525635773 has 4 divisors (see below), whose sum is σ = 14315012320. Its totient is φ = 10736259228.

The previous prime is 12525635761. The next prime is 12525635779. The reversal of 12525635773 is 37753652521.

It is a happy number.

12525635773 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12525635773 - 2⁵ = 12525635741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12525635779) 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 in 3 ways as a sum of consecutive naturals, for example, 894688263 + ... + 894688276.

It is an arithmetic number, because the mean of its divisors is an integer number (3578753080).

Almost surely, 2^12525635773 is an apocalyptic number.

It is an amenable number.

12525635773 is a deficient number, since it is larger than the sum of its proper divisors (1789376547).

12525635773 is an equidigital number, since it uses as much as digits as its factorization.

12525635773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1789376546.

The product of its digits is 1323000, while the sum is 46.

The spelling of 12525635773 in words is "twelve billion, five hundred twenty-five million, six hundred thirty-five thousand, seven hundred seventy-three".