684541846848 has 56 divisors (see below), whose sum is σ = 1829116199520. Its totient is φ = 225921395200.

The previous prime is 684541846847. The next prime is 684541846853. The reversal of 684541846848 is 848648145486.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (684541846847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17630718 + ... + 17669501.

Almost surely, 2^684541846848 is an apocalyptic number.

It is an amenable number.

684541846848 is an abundant number, since it is smaller than the sum of its proper divisors (1144574352672).

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

684541846848 is a wasteful number, since it uses less digits than its factorization.

684541846848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35300335 (or 35300325 counting only the distinct ones).

The product of its digits is 188743680, while the sum is 66.

The spelling of 684541846848 in words is "six hundred eighty-four billion, five hundred forty-one million, eight hundred forty-six thousand, eight hundred forty-eight".