1680276124243 has 2 divisors, whose sum is σ = 1680276124244. Its totient is φ = 1680276124242.

The previous prime is 1680276124231. The next prime is 1680276124273. The reversal of 1680276124243 is 3424216720861.

It is a weak prime.

It is an emirp because it is prime and its reverse (3424216720861) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1680276124243 - 2⁵ = 1680276124211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1680276124193 and 1680276124202.

It is not a weakly prime, because it can be changed into another prime (1680276124223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 840138062121 + 840138062122.

It is an arithmetic number, because the mean of its divisors is an integer number (840138062122).

Almost surely, 2^{1680276124243} is an apocalyptic number.

1680276124243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1680276124243 is an equidigital number, since it uses as much as digits as its factorization.

1680276124243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 774144, while the sum is 46.

The spelling of 1680276124243 in words is "one trillion, six hundred eighty billion, two hundred seventy-six million, one hundred twenty-four thousand, two hundred forty-three".