689183381986 has 16 divisors (see below), whose sum is σ = 1127774625120. Its totient is φ = 313259618080.

The previous prime is 689183381959. The next prime is 689183381993.

689183381986 is nontrivially palindromic in base 10.

689183381986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1155225 + ... + 1647091.

It is an arithmetic number, because the mean of its divisors is an integer number (70485914070).

Almost surely, 2^689183381986 is an apocalyptic number.

689183381986 is a deficient number, since it is larger than the sum of its proper divisors (438591243134).

689183381986 is a wasteful number, since it uses less digits than its factorization.

689183381986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555569.

The product of its digits is 107495424, while the sum is 70.

The spelling of 689183381986 in words is "six hundred eighty-nine billion, one hundred eighty-three million, three hundred eighty-one thousand, nine hundred eighty-six".