26869909205 has 16 divisors (see below), whose sum is σ = 32587795584. Its totient is φ = 21266980800.

The previous prime is 26869909177. The next prime is 26869909217. The reversal of 26869909205 is 50290996862.

It is not a de Polignac number, because 26869909205 - 2¹⁴ = 26869892821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 670874 + ... + 709796.

It is an arithmetic number, because the mean of its divisors is an integer number (2036737224).

Almost surely, 2^26869909205 is an apocalyptic number.

It is an amenable number.

26869909205 is a deficient number, since it is larger than the sum of its proper divisors (5717886379).

26869909205 is a wasteful number, since it uses less digits than its factorization.

26869909205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40396.

The product of its (nonzero) digits is 4199040, while the sum is 56.

The spelling of 26869909205 in words is "twenty-six billion, eight hundred sixty-nine million, nine hundred nine thousand, two hundred five".