1683685873359 has 36 divisors (see below), whose sum is σ = 2877000464520. Its totient is φ = 945799313760.

The previous prime is 1683685873349. The next prime is 1683685873439. The reversal of 1683685873359 is 9533785863861.

1683685873359 is a `hidden beast` number, since 1 + 6 + 8 + 3 + 6 + 8 + 587 + 3 + 35 + 9 = 666.

It is not a de Polignac number, because 1683685873359 - 2⁴ = 1683685873343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1683685873319) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 32328912 + ... + 32380949.

It is an arithmetic number, because the mean of its divisors is an integer number (79916679570).

Almost surely, 2^{1683685873359} is an apocalyptic number.

1683685873359 is a deficient number, since it is larger than the sum of its proper divisors (1193314591161).

1683685873359 is a wasteful number, since it uses less digits than its factorization.

1683685873359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64709940 (or 64709930 counting only the distinct ones).

The product of its digits is 783820800, while the sum is 72.

The spelling of 1683685873359 in words is "one trillion, six hundred eighty-three billion, six hundred eighty-five million, eight hundred seventy-three thousand, three hundred fifty-nine".