12663901097 has 2 divisors, whose sum is σ = 12663901098. Its totient is φ = 12663901096.

The previous prime is 12663901091. The next prime is 12663901121. The reversal of 12663901097 is 79010936621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12522505216 + 141395881 = 111904^2 + 11891^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12663901097 is a prime.

It is not a weakly prime, because it can be changed into another prime (12663901091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6331950548 + 6331950549.

It is an arithmetic number, because the mean of its divisors is an integer number (6331950549).

Almost surely, 2^12663901097 is an apocalyptic number.

It is an amenable number.

12663901097 is a deficient number, since it is larger than the sum of its proper divisors (1).

12663901097 is an equidigital number, since it uses as much as digits as its factorization.

12663901097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 44.

The spelling of 12663901097 in words is "twelve billion, six hundred sixty-three million, nine hundred one thousand, ninety-seven".