26298143867 has 2 divisors, whose sum is σ = 26298143868. Its totient is φ = 26298143866.

The previous prime is 26298143819. The next prime is 26298143869. The reversal of 26298143867 is 76834189262.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26298143867 - 2⁸ = 26298143611 is a prime.

Together with 26298143869, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26298143869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13149071933 + 13149071934.

It is an arithmetic number, because the mean of its divisors is an integer number (13149071934).

Almost surely, 2^26298143867 is an apocalyptic number.

26298143867 is a deficient number, since it is larger than the sum of its proper divisors (1).

26298143867 is an equidigital number, since it uses as much as digits as its factorization.

26298143867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6967296, while the sum is 56.

The spelling of 26298143867 in words is "twenty-six billion, two hundred ninety-eight million, one hundred forty-three thousand, eight hundred sixty-seven".