12634044313 has 4 divisors (see below), whose sum is σ = 13782593808. Its totient is φ = 11485494820.

The previous prime is 12634044289. The next prime is 12634044323. The reversal of 12634044313 is 31344043621.

12634044313 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 12634044313 - 2⁹ = 12634043801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12634044323) 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, 574274731 + ... + 574274752.

It is an arithmetic number, because the mean of its divisors is an integer number (3445648452).

Almost surely, 2^12634044313 is an apocalyptic number.

It is an amenable number.

12634044313 is a deficient number, since it is larger than the sum of its proper divisors (1148549495).

12634044313 is a wasteful number, since it uses less digits than its factorization.

12634044313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148549494.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 12634044313 its reverse (31344043621), we get a palindrome (43978087934).

The spelling of 12634044313 in words is "twelve billion, six hundred thirty-four million, forty-four thousand, three hundred thirteen".