26366809459 has 2 divisors, whose sum is σ = 26366809460. Its totient is φ = 26366809458.

The previous prime is 26366809457. The next prime is 26366809489. The reversal of 26366809459 is 95490866362.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26366809459 - 2¹ = 26366809457 is a prime.

Together with 26366809457, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (26366809457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13183404729 + 13183404730.

It is an arithmetic number, because the mean of its divisors is an integer number (13183404730).

Almost surely, 2^26366809459 is an apocalyptic number.

26366809459 is a deficient number, since it is larger than the sum of its proper divisors (1).

26366809459 is an equidigital number, since it uses as much as digits as its factorization.

26366809459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16796160, while the sum is 58.

The spelling of 26366809459 in words is "twenty-six billion, three hundred sixty-six million, eight hundred nine thousand, four hundred fifty-nine".