12792996649618 has 16 divisors (see below), whose sum is σ = 19811534386176. Its totient is φ = 6189214842720.

The previous prime is 12792996649597. The next prime is 12792996649627. The reversal of 12792996649618 is 81694669929721.

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 7 ways as a sum of consecutive naturals, for example, 15337546 + ... + 16150117.

It is an arithmetic number, because the mean of its divisors is an integer number (1238220899136).

Almost surely, 2^{12792996649618} is an apocalyptic number.

12792996649618 is a deficient number, since it is larger than the sum of its proper divisors (7018537736558).

12792996649618 is a wasteful number, since it uses less digits than its factorization.

12792996649618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31494249.

The product of its digits is 1269789696, while the sum is 79.

The spelling of 12792996649618 in words is "twelve trillion, seven hundred ninety-two billion, nine hundred ninety-six million, six hundred forty-nine thousand, six hundred eighteen".