689981600112 has 40 divisors (see below), whose sum is σ = 2037088534656. Its totient is φ = 197137599936.

The previous prime is 689981600111. The next prime is 689981600149. The reversal of 689981600112 is 211006189986.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689981600111) 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, 1026757998 + ... + 1026758669.

Almost surely, 2^689981600112 is an apocalyptic number.

It is an amenable number.

689981600112 is an abundant number, since it is smaller than the sum of its proper divisors (1347106934544).

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

689981600112 is a wasteful number, since it uses less digits than its factorization.

689981600112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2053516685 (or 2053516679 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 51.

The spelling of 689981600112 in words is "six hundred eighty-nine billion, nine hundred eighty-one million, six hundred thousand, one hundred twelve".