1686707769067 has 2 divisors, whose sum is σ = 1686707769068. Its totient is φ = 1686707769066.

The previous prime is 1686707769041. The next prime is 1686707769079. The reversal of 1686707769067 is 7609677076861.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1686707769067 - 2⁷ = 1686707768939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1686707768987 and 1686707769005.

It is not a weakly prime, because it can be changed into another prime (1686707569067) 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, 843353884533 + 843353884534.

It is an arithmetic number, because the mean of its divisors is an integer number (843353884534).

Almost surely, 2^{1686707769067} is an apocalyptic number.

1686707769067 is a deficient number, since it is larger than the sum of its proper divisors (1).

1686707769067 is an equidigital number, since it uses as much as digits as its factorization.

1686707769067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224042112, while the sum is 70.

The spelling of 1686707769067 in words is "one trillion, six hundred eighty-six billion, seven hundred seven million, seven hundred sixty-nine thousand, sixty-seven".