686063842663 has 8 divisors (see below), whose sum is σ = 697919461328. Its totient is φ = 674274642624.

The previous prime is 686063842649. The next prime is 686063842687. The reversal of 686063842663 is 366248360686.

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 686063842663 - 2²¹ = 686061745511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 686063842598 and 686063842607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (686063848663) 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, 16583820 + ... + 16625137.

It is an arithmetic number, because the mean of its divisors is an integer number (87239932666).

Almost surely, 2^686063842663 is an apocalyptic number.

686063842663 is a deficient number, since it is larger than the sum of its proper divisors (11855618665).

686063842663 is a wasteful number, since it uses less digits than its factorization.

686063842663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33209313.

The product of its (nonzero) digits is 35831808, while the sum is 58.

The spelling of 686063842663 in words is "six hundred eighty-six billion, sixty-three million, eight hundred forty-two thousand, six hundred sixty-three".