12634044366 has 16 divisors (see below), whose sum is σ = 25572524544. Its totient is φ = 4160608824.

The previous prime is 12634044361. The next prime is 12634044403. The reversal of 12634044366 is 66344043621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12634044361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12684286 + ... + 12685281.

It is an arithmetic number, because the mean of its divisors is an integer number (1598282784).

Almost surely, 2^12634044366 is an apocalyptic number.

12634044366 is an abundant number, since it is smaller than the sum of its proper divisors (12938480178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12634044366 is a wasteful number, since it uses less digits than its factorization.

12634044366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25369655.

The product of its (nonzero) digits is 248832, while the sum is 39.

Adding to 12634044366 its reverse (66344043621), we get a palindrome (78978087987).

The spelling of 12634044366 in words is "twelve billion, six hundred thirty-four million, forty-four thousand, three hundred sixty-six".