12863545867 has 2 divisors, whose sum is σ = 12863545868. Its totient is φ = 12863545866.

The previous prime is 12863545843. The next prime is 12863545897. The reversal of 12863545867 is 76854536821.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12863545867 - 2¹⁹ = 12863021579 is a prime.

It is not a weakly prime, because it can be changed into another prime (12863545897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6431772933 + 6431772934.

It is an arithmetic number, because the mean of its divisors is an integer number (6431772934).

Almost surely, 2^12863545867 is an apocalyptic number.

12863545867 is a deficient number, since it is larger than the sum of its proper divisors (1).

12863545867 is an equidigital number, since it uses as much as digits as its factorization.

12863545867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9676800, while the sum is 55.

The spelling of 12863545867 in words is "twelve billion, eight hundred sixty-three million, five hundred forty-five thousand, eight hundred sixty-seven".