12634417355 has 16 divisors (see below), whose sum is σ = 17389767360. Its totient is φ = 8632317312.

The previous prime is 12634417351. The next prime is 12634417363. The reversal of 12634417355 is 55371443621.

12634417355 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12634417355 - 2² = 12634417351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12634417351) 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 15 ways as a sum of consecutive naturals, for example, 641900 + ... + 661289.

It is an arithmetic number, because the mean of its divisors is an integer number (1086860460).

Almost surely, 2^12634417355 is an apocalyptic number.

12634417355 is a deficient number, since it is larger than the sum of its proper divisors (4755350005).

12634417355 is a wasteful number, since it uses less digits than its factorization.

12634417355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303478.

The product of its digits is 302400, while the sum is 41.

The spelling of 12634417355 in words is "twelve billion, six hundred thirty-four million, four hundred seventeen thousand, three hundred fifty-five".