13981859066 has 16 divisors (see below), whose sum is σ = 25378837056. Its totient is φ = 5639741376.

The previous prime is 13981859063. The next prime is 13981859077. The reversal of 13981859066 is 66095818931.

13981859066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13981859063) by changing a digit.

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, 29373416 + ... + 29373891.

It is an arithmetic number, because the mean of its divisors is an integer number (1586177316).

Almost surely, 2^13981859066 is an apocalyptic number.

13981859066 is a deficient number, since it is larger than the sum of its proper divisors (11396977990).

13981859066 is a wasteful number, since it uses less digits than its factorization.

13981859066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58747333.

The product of its (nonzero) digits is 2799360, while the sum is 56.

The spelling of 13981859066 in words is "thirteen billion, nine hundred eighty-one million, eight hundred fifty-nine thousand, sixty-six".