12863545897 has 2 divisors, whose sum is σ = 12863545898. Its totient is φ = 12863545896.

The previous prime is 12863545867. The next prime is 12863545909. The reversal of 12863545897 is 79854536821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10953506281 + 1910039616 = 104659^2 + 43704^2 .

It is a cyclic number.

It is not a de Polignac number, because 12863545897 - 2²⁷ = 12729328169 is a prime.

It is not a weakly prime, because it can be changed into another prime (12863545867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6431772948 + 6431772949.

It is an arithmetic number, because the mean of its divisors is an integer number (6431772949).

Almost surely, 2^12863545897 is an apocalyptic number.

It is an amenable number.

12863545897 is a deficient number, since it is larger than the sum of its proper divisors (1).

12863545897 is an equidigital number, since it uses as much as digits as its factorization.

12863545897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14515200, while the sum is 58.

The spelling of 12863545897 in words is "twelve billion, eight hundred sixty-three million, five hundred forty-five thousand, eight hundred ninety-seven".