26069381895 has 32 divisors (see below), whose sum is σ = 41995653120. Its totient is φ = 13808983680.

The previous prime is 26069381827. The next prime is 26069381911. The reversal of 26069381895 is 59818396062.

It is not a de Polignac number, because 26069381895 - 2²⁵ = 26035827463 is a prime.

It is a super-2 number, since 2×26069381895² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2349210 + ... + 2360280.

It is an arithmetic number, because the mean of its divisors is an integer number (1312364160).

Almost surely, 2^26069381895 is an apocalyptic number.

26069381895 is a deficient number, since it is larger than the sum of its proper divisors (15926271225).

26069381895 is a wasteful number, since it uses less digits than its factorization.

26069381895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12135.

The product of its (nonzero) digits is 5598720, while the sum is 57.

The spelling of 26069381895 in words is "twenty-six billion, sixty-nine million, three hundred eighty-one thousand, eight hundred ninety-five".