26713580459 has 2 divisors, whose sum is σ = 26713580460. Its totient is φ = 26713580458.

The previous prime is 26713580447. The next prime is 26713580473. The reversal of 26713580459 is 95408531762.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26713580459 is a prime.

It is not a weakly prime, because it can be changed into another prime (26713580419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13356790229 + 13356790230.

It is an arithmetic number, because the mean of its divisors is an integer number (13356790230).

It is a 2-persistent number, because it is pandigital, and so is 2⋅26713580459 = 53427160918, but 3⋅26713580459 = 80140741377 is not.

Almost surely, 2^26713580459 is an apocalyptic number.

26713580459 is a deficient number, since it is larger than the sum of its proper divisors (1).

26713580459 is an equidigital number, since it uses as much as digits as its factorization.

26713580459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1814400, while the sum is 50.

The spelling of 26713580459 in words is "twenty-six billion, seven hundred thirteen million, five hundred eighty thousand, four hundred fifty-nine".