1683473861243 has 2 divisors, whose sum is σ = 1683473861244. Its totient is φ = 1683473861242.

The previous prime is 1683473861233. The next prime is 1683473861257. The reversal of 1683473861243 is 3421683743861.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1683473861243 - 2¹² = 1683473857147 is a prime.

It is not a weakly prime, because it can be changed into another prime (1683473861233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 841736930621 + 841736930622.

It is an arithmetic number, because the mean of its divisors is an integer number (841736930622).

Almost surely, 2^{1683473861243} is an apocalyptic number.

1683473861243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1683473861243 is an equidigital number, since it uses as much as digits as its factorization.

1683473861243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13934592, while the sum is 56.

The spelling of 1683473861243 in words is "one trillion, six hundred eighty-three billion, four hundred seventy-three million, eight hundred sixty-one thousand, two hundred forty-three".