12663653683 has 2 divisors, whose sum is σ = 12663653684. Its totient is φ = 12663653682.

The previous prime is 12663653659. The next prime is 12663653689. The reversal of 12663653683 is 38635636621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12663653683 - 2¹⁷ = 12663522611 is a prime.

It is not a weakly prime, because it can be changed into another prime (12663653689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6331826841 + 6331826842.

It is an arithmetic number, because the mean of its divisors is an integer number (6331826842).

Almost surely, 2^12663653683 is an apocalyptic number.

12663653683 is a deficient number, since it is larger than the sum of its proper divisors (1).

12663653683 is an equidigital number, since it uses as much as digits as its factorization.

12663653683 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2799360, while the sum is 49.

The spelling of 12663653683 in words is "twelve billion, six hundred sixty-three million, six hundred fifty-three thousand, six hundred eighty-three".