686286801047 has 2 divisors, whose sum is σ = 686286801048. Its totient is φ = 686286801046.

The previous prime is 686286801037. The next prime is 686286801049. The reversal of 686286801047 is 740108682686.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-686286801047 is a prime.

Together with 686286801049, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 686286800983 and 686286801001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (686286801049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 343143400523 + 343143400524.

It is an arithmetic number, because the mean of its divisors is an integer number (343143400524).

Almost surely, 2^686286801047 is an apocalyptic number.

686286801047 is a deficient number, since it is larger than the sum of its proper divisors (1).

686286801047 is an equidigital number, since it uses as much as digits as its factorization.

686286801047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6193152, while the sum is 56.

The spelling of 686286801047 in words is "six hundred eighty-six billion, two hundred eighty-six million, eight hundred one thousand, forty-seven".