12648939167 has 2 divisors, whose sum is σ = 12648939168. Its totient is φ = 12648939166.

The previous prime is 12648939157. The next prime is 12648939197. The reversal of 12648939167 is 76193984621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12648939167 - 2¹⁰ = 12648938143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12648939157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6324469583 + 6324469584.

It is an arithmetic number, because the mean of its divisors is an integer number (6324469584).

Almost surely, 2^12648939167 is an apocalyptic number.

12648939167 is a deficient number, since it is larger than the sum of its proper divisors (1).

12648939167 is an equidigital number, since it uses as much as digits as its factorization.

12648939167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3919104, while the sum is 56.

The spelling of 12648939167 in words is "twelve billion, six hundred forty-eight million, nine hundred thirty-nine thousand, one hundred sixty-seven".