12634622043651 has 48 divisors (see below), whose sum is σ = 18940770850560. Its totient is φ = 8107319808000.

The previous prime is 12634622043611. The next prime is 12634622043653. The reversal of 12634622043651 is 15634022643621.

12634622043651 is a `hidden beast` number, since 1 + 2 + 6 + 346 + 220 + 4 + 36 + 51 = 666.

12634622043651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12634622043651 - 2⁷ = 12634622043523 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12634622043597 and 12634622043606.

It is not an unprimeable number, because it can be changed into a prime (12634622043653) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42264915 + ... + 42562803.

It is an arithmetic number, because the mean of its divisors is an integer number (394599392720).

Almost surely, 2^{12634622043651} is an apocalyptic number.

12634622043651 is a deficient number, since it is larger than the sum of its proper divisors (6306148806909).

12634622043651 is a wasteful number, since it uses less digits than its factorization.

12634622043651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298748 (or 298745 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 45.

The spelling of 12634622043651 in words is "twelve trillion, six hundred thirty-four billion, six hundred twenty-two million, forty-three thousand, six hundred fifty-one".