685817234641001 has 8 divisors (see below), whose sum is σ = 702447138533184. Its totient is φ = 669218270106960.

The previous prime is 685817234640961. The next prime is 685817234641009. The reversal of 685817234641001 is 100146432718586.

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 685817234641001 - 2³⁸ = 685542356734057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (685817234641009) 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, 7734794666 + ... + 7734883331.

It is an arithmetic number, because the mean of its divisors is an integer number (87805892316648).

Almost surely, 2^{685817234641001} is an apocalyptic number.

It is an amenable number.

685817234641001 is a deficient number, since it is larger than the sum of its proper divisors (16629903892183).

685817234641001 is a wasteful number, since it uses less digits than its factorization.

685817234641001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15469679071.

The product of its (nonzero) digits is 7741440, while the sum is 56.

The spelling of 685817234641001 in words is "six hundred eighty-five trillion, eight hundred seventeen billion, two hundred thirty-four million, six hundred forty-one thousand, one".