689465097804 has 24 divisors (see below), whose sum is σ = 1838573594368. Its totient is φ = 196990027920.

The previous prime is 689465097793. The next prime is 689465097847. The reversal of 689465097804 is 408790564986.

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, 4103958832 + ... + 4103958999.

Almost surely, 2^689465097804 is an apocalyptic number.

It is an amenable number.

689465097804 is an abundant number, since it is smaller than the sum of its proper divisors (1149108496564).

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

689465097804 is a wasteful number, since it uses less digits than its factorization.

689465097804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8207917845 (or 8207917843 counting only the distinct ones).

The product of its (nonzero) digits is 104509440, while the sum is 66.

The spelling of 689465097804 in words is "six hundred eighty-nine billion, four hundred sixty-five million, ninety-seven thousand, eight hundred four".