26973135226 has 16 divisors (see below), whose sum is σ = 40609795464. Its totient is φ = 13436564544.

The previous prime is 26973135193. The next prime is 26973135229. The reversal of 26973135226 is 62253137962.

It is a Cunningham number, because it is equal to 164235²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 26357847201 + 615288025 = 162351^2 + 24805^2 .

It is not an unprimeable number, because it can be changed into a prime (26973135229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3674656 + ... + 3681988.

Almost surely, 2^26973135226 is an apocalyptic number.

26973135226 is a deficient number, since it is larger than the sum of its proper divisors (13636660238).

26973135226 is a wasteful number, since it uses less digits than its factorization.

26973135226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13905.

The product of its digits is 816480, while the sum is 46.

The spelling of 26973135226 in words is "twenty-six billion, nine hundred seventy-three million, one hundred thirty-five thousand, two hundred twenty-six".