26200279291 has 2 divisors, whose sum is σ = 26200279292. Its totient is φ = 26200279290.

The previous prime is 26200279279. The next prime is 26200279321. The reversal of 26200279291 is 19297200262.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26200279291 is a prime.

It is not a weakly prime, because it can be changed into another prime (26200279201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13100139645 + 13100139646.

It is an arithmetic number, because the mean of its divisors is an integer number (13100139646).

Almost surely, 2^26200279291 is an apocalyptic number.

26200279291 is a deficient number, since it is larger than the sum of its proper divisors (1).

26200279291 is an equidigital number, since it uses as much as digits as its factorization.

26200279291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 40.

The spelling of 26200279291 in words is "twenty-six billion, two hundred million, two hundred seventy-nine thousand, two hundred ninety-one".