26406026459 has 2 divisors, whose sum is σ = 26406026460. Its totient is φ = 26406026458.

The previous prime is 26406026453. The next prime is 26406026519. The reversal of 26406026459 is 95462060462.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26406026459 is a prime.

It is not a weakly prime, because it can be changed into another prime (26406026453) 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, 13203013229 + 13203013230.

It is an arithmetic number, because the mean of its divisors is an integer number (13203013230).

Almost surely, 2^26406026459 is an apocalyptic number.

26406026459 is a deficient number, since it is larger than the sum of its proper divisors (1).

26406026459 is an equidigital number, since it uses as much as digits as its factorization.

26406026459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 26406026459 in words is "twenty-six billion, four hundred six million, twenty-six thousand, four hundred fifty-nine".