689873664396 has 48 divisors (see below), whose sum is σ = 1947878585856. Its totient is φ = 185512245504.

The previous prime is 689873664371. The next prime is 689873664409. The reversal of 689873664396 is 693466378986.

689873664396 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 15 ways as a sum of consecutive naturals, for example, 241550976 + ... + 241553831.

It is an arithmetic number, because the mean of its divisors is an integer number (40580803872).

Almost surely, 2^689873664396 is an apocalyptic number.

It is an amenable number.

689873664396 is an abundant number, since it is smaller than the sum of its proper divisors (1258004921460).

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

689873664396 is a wasteful number, since it uses less digits than its factorization.

689873664396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483104838 (or 483104836 counting only the distinct ones).

The product of its digits is 1693052928, while the sum is 75.

The spelling of 689873664396 in words is "six hundred eighty-nine billion, eight hundred seventy-three million, six hundred sixty-four thousand, three hundred ninety-six".