100686904243 has 8 divisors (see below), whose sum is σ = 104085303296. Its totient is φ = 97297907400.

The previous prime is 100686904237. The next prime is 100686904301. The reversal of 100686904243 is 342409686001.

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 100686904243 - 2⁵ = 100686904211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100686904243.

It is not an unprimeable number, because it can be changed into a prime (100686904223) 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, 2328771 + ... + 2371612.

It is an arithmetic number, because the mean of its divisors is an integer number (13010662912).

Almost surely, 2^100686904243 is an apocalyptic number.

100686904243 is a deficient number, since it is larger than the sum of its proper divisors (3398399053).

100686904243 is an equidigital number, since it uses as much as digits as its factorization.

100686904243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4701105.

The product of its (nonzero) digits is 248832, while the sum is 43.

The spelling of 100686904243 in words is "one hundred billion, six hundred eighty-six million, nine hundred four thousand, two hundred forty-three".