12604644343 has 2 divisors, whose sum is σ = 12604644344. Its totient is φ = 12604644342.

The previous prime is 12604644341. The next prime is 12604644379. The reversal of 12604644343 is 34344640621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12604644343 - 2¹ = 12604644341 is a prime.

Together with 12604644341, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12604644341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6302322171 + 6302322172.

It is an arithmetic number, because the mean of its divisors is an integer number (6302322172).

Almost surely, 2^12604644343 is an apocalyptic number.

12604644343 is a deficient number, since it is larger than the sum of its proper divisors (1).

12604644343 is an equidigital number, since it uses as much as digits as its factorization.

12604644343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 37.

The spelling of 12604644343 in words is "twelve billion, six hundred four million, six hundred forty-four thousand, three hundred forty-three".