1705684683893 has 2 divisors, whose sum is σ = 1705684683894. Its totient is φ = 1705684683892.

The previous prime is 1705684683851. The next prime is 1705684683917. The reversal of 1705684683893 is 3983864865071.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1681892546884 + 23792137009 = 1296878^2 + 154247^2 .

It is a cyclic number.

It is not a de Polignac number, because 1705684683893 - 2²⁰ = 1705683635317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1705684689893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 852842341946 + 852842341947.

It is an arithmetic number, because the mean of its divisors is an integer number (852842341947).

Almost surely, 2^{1705684683893} is an apocalyptic number.

It is an amenable number.

1705684683893 is a deficient number, since it is larger than the sum of its proper divisors (1).

1705684683893 is an equidigital number, since it uses as much as digits as its factorization.

1705684683893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 209018880, while the sum is 68.

The spelling of 1705684683893 in words is "one trillion, seven hundred five billion, six hundred eighty-four million, six hundred eighty-three thousand, eight hundred ninety-three".