12604568994 has 24 divisors (see below), whose sum is σ = 27429165660. Its totient is φ = 4183174368.

The previous prime is 12604568981. The next prime is 12604569037. The reversal of 12604568994 is 49986540621.

12604568994 is a `hidden beast` number, since 1 + 26 + 0 + 456 + 89 + 94 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 12391029225 + 213539769 = 111315^2 + 14613^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12604568994.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1524817 + ... + 1533060.

Almost surely, 2^12604568994 is an apocalyptic number.

12604568994 is an abundant number, since it is smaller than the sum of its proper divisors (14824596666).

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

12604568994 is a wasteful number, since it uses less digits than its factorization.

12604568994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3058114 (or 3058111 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 12604568994 in words is "twelve billion, six hundred four million, five hundred sixty-eight thousand, nine hundred ninety-four".