689420832188 has 18 divisors (see below), whose sum is σ = 1326138006648. Its totient is φ = 313373105320.

The previous prime is 689420832169. The next prime is 689420832203. The reversal of 689420832188 is 881238024986.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 712211120 + ... + 712212087.

Almost surely, 2^689420832188 is an apocalyptic number.

It is an amenable number.

689420832188 is a deficient number, since it is larger than the sum of its proper divisors (636717174460).

689420832188 is a wasteful number, since it uses less digits than its factorization.

689420832188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1424423233 (or 1424423220 counting only the distinct ones).

The product of its (nonzero) digits is 10616832, while the sum is 59.

The spelling of 689420832188 in words is "six hundred eighty-nine billion, four hundred twenty million, eight hundred thirty-two thousand, one hundred eighty-eight".