12634649258 has 32 divisors (see below), whose sum is σ = 23645381760. Its totient is φ = 4919060160.

The previous prime is 12634649243. The next prime is 12634649281. The reversal of 12634649258 is 85294643621.

12634649258 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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, 191360 + ... + 248772.

It is an arithmetic number, because the mean of its divisors is an integer number (738918180).

Almost surely, 2^12634649258 is an apocalyptic number.

12634649258 is a deficient number, since it is larger than the sum of its proper divisors (11010732502).

12634649258 is a wasteful number, since it uses less digits than its factorization.

12634649258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58862.

The product of its digits is 2488320, while the sum is 50.

The spelling of 12634649258 in words is "twelve billion, six hundred thirty-four million, six hundred forty-nine thousand, two hundred fifty-eight".