26560834069 has 16 divisors (see below), whose sum is σ = 34183028736. Its totient is φ = 20029114800.

The previous prime is 26560834057. The next prime is 26560834087. The reversal of 26560834069 is 96043806562.

It is a cyclic number.

It is not a de Polignac number, because 26560834069 - 2¹¹ = 26560832021 is a prime.

It is a super-2 number, since 2×26560834069² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26560835069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5561257 + ... + 5566030.

It is an arithmetic number, because the mean of its divisors is an integer number (2136439296).

Almost surely, 2^26560834069 is an apocalyptic number.

It is an amenable number.

26560834069 is a deficient number, since it is larger than the sum of its proper divisors (7622194667).

26560834069 is a wasteful number, since it uses less digits than its factorization.

26560834069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11127336.

The product of its (nonzero) digits is 1866240, while the sum is 49.

The spelling of 26560834069 in words is "twenty-six billion, five hundred sixty million, eight hundred thirty-four thousand, sixty-nine".