684657308113 has 8 divisors (see below), whose sum is σ = 687407236736. Its totient is φ = 681912270000.

The previous prime is 684657308089. The next prime is 684657308123. The reversal of 684657308113 is 311803756486.

It is a happy number.

684657308113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 684657308113 - 2¹⁷ = 684657177041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (684657308123) 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, 941943 + ... + 1502188.

It is an arithmetic number, because the mean of its divisors is an integer number (85925904592).

Almost surely, 2^684657308113 is an apocalyptic number.

It is an amenable number.

684657308113 is a deficient number, since it is larger than the sum of its proper divisors (2749928623).

684657308113 is a wasteful number, since it uses less digits than its factorization.

684657308113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2445255.

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 684657308113 in words is "six hundred eighty-four billion, six hundred fifty-seven million, three hundred eight thousand, one hundred thirteen".