12745598647 has 2 divisors, whose sum is σ = 12745598648. Its totient is φ = 12745598646.

The previous prime is 12745598623. The next prime is 12745598669. The reversal of 12745598647 is 74689554721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12745598647 - 2²³ = 12737210039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12745598591 and 12745598600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12745592647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6372799323 + 6372799324.

It is an arithmetic number, because the mean of its divisors is an integer number (6372799324).

Almost surely, 2^12745598647 is an apocalyptic number.

12745598647 is a deficient number, since it is larger than the sum of its proper divisors (1).

12745598647 is an equidigital number, since it uses as much as digits as its factorization.

12745598647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16934400, while the sum is 58.

The spelling of 12745598647 in words is "twelve billion, seven hundred forty-five million, five hundred ninety-eight thousand, six hundred forty-seven".