26268870666269 has 16 divisors (see below), whose sum is σ = 33512446302720. Its totient is φ = 19993220800560.

The previous prime is 26268870666253. The next prime is 26268870666281. The reversal of 26268870666269 is 96266607886262.

It is not a de Polignac number, because 26268870666269 - 2⁴ = 26268870666253 is a prime.

It is a super-2 number, since 2×26268870666269² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26268870666196 and 26268870666205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26268870666299) 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, 3966905579 + ... + 3966912200.

It is an arithmetic number, because the mean of its divisors is an integer number (2094527893920).

Almost surely, 2^{26268870666269} is an apocalyptic number.

It is an amenable number.

26268870666269 is a deficient number, since it is larger than the sum of its proper divisors (7243575636451).

26268870666269 is a wasteful number, since it uses less digits than its factorization.

26268870666269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7933817840.

The product of its (nonzero) digits is 1504935936, while the sum is 74.

The spelling of 26268870666269 in words is "twenty-six trillion, two hundred sixty-eight billion, eight hundred seventy million, six hundred sixty-six thousand, two hundred sixty-nine".