12910188563 has 2 divisors, whose sum is σ = 12910188564. Its totient is φ = 12910188562.

The previous prime is 12910188553. The next prime is 12910188601. The reversal of 12910188563 is 36588101921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12910188563 - 2⁸ = 12910188307 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (12910188503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6455094281 + 6455094282.

It is an arithmetic number, because the mean of its divisors is an integer number (6455094282).

Almost surely, 2^12910188563 is an apocalyptic number.

12910188563 is a deficient number, since it is larger than the sum of its proper divisors (1).

12910188563 is an equidigital number, since it uses as much as digits as its factorization.

12910188563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 44.

The spelling of 12910188563 in words is "twelve billion, nine hundred ten million, one hundred eighty-eight thousand, five hundred sixty-three".