11849689686 has 16 divisors (see below), whose sum is σ = 23722334064. Its totient is φ = 3946070784.

The previous prime is 11849689667. The next prime is 11849689721. The reversal of 11849689686 is 68698694811.

11849689686 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 949731 + ... + 962126.

It is an arithmetic number, because the mean of its divisors is an integer number (1482645879).

Almost surely, 2^11849689686 is an apocalyptic number.

11849689686 is an abundant number, since it is smaller than the sum of its proper divisors (11872644378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11849689686 is a wasteful number, since it uses less digits than its factorization.

11849689686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1912895.

The product of its digits is 35831808, while the sum is 66.

The spelling of 11849689686 in words is "eleven billion, eight hundred forty-nine million, six hundred eighty-nine thousand, six hundred eighty-six".