12604527563 has 2 divisors, whose sum is σ = 12604527564. Its totient is φ = 12604527562.

The previous prime is 12604527557. The next prime is 12604527613. The reversal of 12604527563 is 36572540621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12604527563 - 2¹² = 12604523467 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12604527563.

It is not a weakly prime, because it can be changed into another prime (12604527763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6302263781 + 6302263782.

It is an arithmetic number, because the mean of its divisors is an integer number (6302263782).

Almost surely, 2^12604527563 is an apocalyptic number.

12604527563 is a deficient number, since it is larger than the sum of its proper divisors (1).

12604527563 is an equidigital number, since it uses as much as digits as its factorization.

12604527563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 302400, while the sum is 41.

The spelling of 12604527563 in words is "twelve billion, six hundred four million, five hundred twenty-seven thousand, five hundred sixty-three".