686424006067 has 2 divisors, whose sum is σ = 686424006068. Its totient is φ = 686424006066.

The previous prime is 686424006061. The next prime is 686424006071. The reversal of 686424006067 is 760600424686.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 686424006067 - 2³⁹ = 136668192179 is a prime.

It is a super-2 number, since 2×686424006067² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 686424006067.

It is not a weakly prime, because it can be changed into another prime (686424006061) by changing a digit.

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 as a sum of consecutive naturals, namely, 343212003033 + 343212003034.

It is an arithmetic number, because the mean of its divisors is an integer number (343212003034).

Almost surely, 2^686424006067 is an apocalyptic number.

686424006067 is a deficient number, since it is larger than the sum of its proper divisors (1).

686424006067 is an equidigital number, since it uses as much as digits as its factorization.

686424006067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2322432, while the sum is 49.

The spelling of 686424006067 in words is "six hundred eighty-six billion, four hundred twenty-four million, six thousand, sixty-seven".