26868769269 has 16 divisors (see below), whose sum is σ = 38273402880. Its totient is φ = 16716466800.

The previous prime is 26868769243. The next prime is 26868769289. The reversal of 26868769269 is 96296786862.

It is not a de Polignac number, because 26868769269 - 2⁷ = 26868769141 is a prime.

It is a super-2 number, since 2×26868769269² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26868769289) 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, 3513957 + ... + 3521594.

It is an arithmetic number, because the mean of its divisors is an integer number (2392087680).

Almost surely, 2^26868769269 is an apocalyptic number.

It is an amenable number.

26868769269 is a deficient number, since it is larger than the sum of its proper divisors (11404633611).

26868769269 is a wasteful number, since it uses less digits than its factorization.

26868769269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7035640.

The product of its digits is 188116992, while the sum is 69.

The spelling of 26868769269 in words is "twenty-six billion, eight hundred sixty-eight million, seven hundred sixty-nine thousand, two hundred sixty-nine".