12594666191 has 2 divisors, whose sum is σ = 12594666192. Its totient is φ = 12594666190.

The previous prime is 12594666127. The next prime is 12594666241. The reversal of 12594666191 is 19166649521.

It is an a-pointer prime, because the next prime (12594666241) can be obtained adding 12594666191 to its sum of digits (50).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12594666191 - 2⁶ = 12594666127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12594662191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6297333095 + 6297333096.

It is an arithmetic number, because the mean of its divisors is an integer number (6297333096).

Almost surely, 2^12594666191 is an apocalyptic number.

12594666191 is a deficient number, since it is larger than the sum of its proper divisors (1).

12594666191 is an equidigital number, since it uses as much as digits as its factorization.

12594666191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 699840, while the sum is 50.

The spelling of 12594666191 in words is "twelve billion, five hundred ninety-four million, six hundred sixty-six thousand, one hundred ninety-one".