1688133101843 has 4 divisors (see below), whose sum is σ = 1688140414200. Its totient is φ = 1688125789488.

The previous prime is 1688133101821. The next prime is 1688133101857. The reversal of 1688133101843 is 3481013318861.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1688133101843 - 2¹² = 1688133097747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1688133101243) 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 3 ways as a sum of consecutive naturals, for example, 3298205 + ... + 3775502.

It is an arithmetic number, because the mean of its divisors is an integer number (422035103550).

Almost surely, 2^{1688133101843} is an apocalyptic number.

1688133101843 is a deficient number, since it is larger than the sum of its proper divisors (7312357).

1688133101843 is an equidigital number, since it uses as much as digits as its factorization.

1688133101843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7312356.

The product of its (nonzero) digits is 331776, while the sum is 47.

The spelling of 1688133101843 in words is "one trillion, six hundred eighty-eight billion, one hundred thirty-three million, one hundred one thousand, eight hundred forty-three".