26646759128213 has 8 divisors (see below), whose sum is σ = 30453539932032. Its totient is φ = 22840003556496.

The previous prime is 26646759128177. The next prime is 26646759128221. The reversal of 26646759128213 is 31282195764662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 26646759128213 - 2⁶ = 26646759128149 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26646759128113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3988145 + ... + 8318582.

It is an arithmetic number, because the mean of its divisors is an integer number (3806692491504).

Almost surely, 2^{26646759128213} is an apocalyptic number.

It is an amenable number.

26646759128213 is a deficient number, since it is larger than the sum of its proper divisors (3806780803819).

26646759128213 is a wasteful number, since it uses less digits than its factorization.

26646759128213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12616051.

The product of its digits is 52254720, while the sum is 62.

The spelling of 26646759128213 in words is "twenty-six trillion, six hundred forty-six billion, seven hundred fifty-nine million, one hundred twenty-eight thousand, two hundred thirteen".