1683351673 has 2 divisors, whose sum is σ = 1683351674. Its totient is φ = 1683351672.

The previous prime is 1683351653. The next prime is 1683351689. The reversal of 1683351673 is 3761533861.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1080305424 + 603046249 = 32868^2 + 24557^2 .

It is a cyclic number.

It is not a de Polignac number, because 1683351673 - 2⁵ = 1683351641 is a prime.

It is not a weakly prime, because it can be changed into another prime (1683351613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 841675836 + 841675837.

It is an arithmetic number, because the mean of its divisors is an integer number (841675837).

Almost surely, 2^1683351673 is an apocalyptic number.

It is an amenable number.

1683351673 is a deficient number, since it is larger than the sum of its proper divisors (1).

1683351673 is an equidigital number, since it uses as much as digits as its factorization.

1683351673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 43.

The square root of 1683351673 is about 41028.6689157716. The cubic root of 1683351673 is about 1189.5744242397.

The spelling of 1683351673 in words is "one billion, six hundred eighty-three million, three hundred fifty-one thousand, six hundred seventy-three".