686343000635 has 8 divisors (see below), whose sum is σ = 829065983136. Its totient is φ = 545438145600.

The previous prime is 686343000613. The next prime is 686343000643. The reversal of 686343000635 is 536000343686.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 686343000635 - 2⁸ = 686343000379 is a prime.

It is a super-2 number, since 2×686343000635² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 454531034 + ... + 454532543.

It is an arithmetic number, because the mean of its divisors is an integer number (103633247892).

Almost surely, 2^686343000635 is an apocalyptic number.

686343000635 is a deficient number, since it is larger than the sum of its proper divisors (142722982501).

686343000635 is a wasteful number, since it uses less digits than its factorization.

686343000635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909063733.

The product of its (nonzero) digits is 933120, while the sum is 44.

The spelling of 686343000635 in words is "six hundred eighty-six billion, three hundred forty-three million, six hundred thirty-five", and thus it is an aban number.