1683676380667 has 2 divisors, whose sum is σ = 1683676380668. Its totient is φ = 1683676380666.

The previous prime is 1683676380629. The next prime is 1683676380719. The reversal of 1683676380667 is 7660836763861.

It is a weak prime.

It is an emirp because it is prime and its reverse (7660836763861) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1683676380667 is a prime.

It is a super-3 number, since 3×1683676380667³ (a number of 38 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1683673380667) 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, 841838190333 + 841838190334.

It is an arithmetic number, because the mean of its divisors is an integer number (841838190334).

Almost surely, 2^{1683676380667} is an apocalyptic number.

1683676380667 is a deficient number, since it is larger than the sum of its proper divisors (1).

1683676380667 is an equidigital number, since it uses as much as digits as its factorization.

1683676380667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 219469824, while the sum is 67.

The spelling of 1683676380667 in words is "one trillion, six hundred eighty-three billion, six hundred seventy-six million, three hundred eighty thousand, six hundred sixty-seven".