26268830434559 has 4 divisors (see below), whose sum is σ = 26268999199704. Its totient is φ = 26268661669416.

The previous prime is 26268830434513. The next prime is 26268830434591. The reversal of 26268830434559 is 95543403886262.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26268830434559 is a prime.

It is a super-2 number, since 2×26268830434559² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26268830434495 and 26268830434504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26268830134559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84148877 + ... + 84460470.

It is an arithmetic number, because the mean of its divisors is an integer number (6567249799926).

Almost surely, 2^{26268830434559} is an apocalyptic number.

26268830434559 is a deficient number, since it is larger than the sum of its proper divisors (168765145).

26268830434559 is a wasteful number, since it uses less digits than its factorization.

26268830434559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168765144.

The product of its (nonzero) digits is 298598400, while the sum is 65.

The spelling of 26268830434559 in words is "twenty-six trillion, two hundred sixty-eight billion, eight hundred thirty million, four hundred thirty-four thousand, five hundred fifty-nine".