1686685003329 has 8 divisors (see below), whose sum is σ = 2252206039392. Its totient is φ = 1122810318080.

The previous prime is 1686685003319. The next prime is 1686685003337. The reversal of 1686685003329 is 9233005866861.

It is a happy number.

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 1686685003329 - 2³³ = 1678095068737 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1686685003319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411585312 + ... + 411589409.

It is an arithmetic number, because the mean of its divisors is an integer number (281525754924).

Almost surely, 2^{1686685003329} is an apocalyptic number.

It is an amenable number.

1686685003329 is a deficient number, since it is larger than the sum of its proper divisors (565521036063).

1686685003329 is an equidigital number, since it uses as much as digits as its factorization.

1686685003329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823175407.

The product of its (nonzero) digits is 11197440, while the sum is 57.

The spelling of 1686685003329 in words is "one trillion, six hundred eighty-six billion, six hundred eighty-five million, three thousand, three hundred twenty-nine".