12745598623 has 2 divisors, whose sum is σ = 12745598624. Its totient is φ = 12745598622.

The previous prime is 12745598611. The next prime is 12745598647. The reversal of 12745598623 is 32689554721.

It is a weak prime.

It is an emirp because it is prime and its reverse (32689554721) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12745598623 is a prime.

It is a super-2 number, since 2×12745598623² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12745598693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6372799311 + 6372799312.

It is an arithmetic number, because the mean of its divisors is an integer number (6372799312).

Almost surely, 2^12745598623 is an apocalyptic number.

12745598623 is a deficient number, since it is larger than the sum of its proper divisors (1).

12745598623 is an equidigital number, since it uses as much as digits as its factorization.

12745598623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3628800, while the sum is 52.

The spelling of 12745598623 in words is "twelve billion, seven hundred forty-five million, five hundred ninety-eight thousand, six hundred twenty-three".