12668548793 has 2 divisors, whose sum is σ = 12668548794. Its totient is φ = 12668548792.

The previous prime is 12668548771. The next prime is 12668548799. The reversal of 12668548793 is 39784586621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12627691129 + 40857664 = 112373^2 + 6392^2 .

It is a cyclic number.

It is not a de Polignac number, because 12668548793 - 2⁶ = 12668548729 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12668548799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6334274396 + 6334274397.

It is an arithmetic number, because the mean of its divisors is an integer number (6334274397).

Almost surely, 2^12668548793 is an apocalyptic number.

It is an amenable number.

12668548793 is a deficient number, since it is larger than the sum of its proper divisors (1).

12668548793 is an equidigital number, since it uses as much as digits as its factorization.

12668548793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17418240, while the sum is 59.

The spelling of 12668548793 in words is "twelve billion, six hundred sixty-eight million, five hundred forty-eight thousand, seven hundred ninety-three".