12650869879 has 2 divisors, whose sum is σ = 12650869880. Its totient is φ = 12650869878.

The previous prime is 12650869871. The next prime is 12650869901. The reversal of 12650869879 is 97896805621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12650869879 - 2³ = 12650869871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12650869871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6325434939 + 6325434940.

It is an arithmetic number, because the mean of its divisors is an integer number (6325434940).

Almost surely, 2^12650869879 is an apocalyptic number.

12650869879 is a deficient number, since it is larger than the sum of its proper divisors (1).

12650869879 is an equidigital number, since it uses as much as digits as its factorization.

12650869879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13063680, while the sum is 61.

The spelling of 12650869879 in words is "twelve billion, six hundred fifty million, eight hundred sixty-nine thousand, eight hundred seventy-nine".