1683835456489 has 2 divisors, whose sum is σ = 1683835456490. Its totient is φ = 1683835456488.

The previous prime is 1683835456453. The next prime is 1683835456549. The reversal of 1683835456489 is 9846545383861.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1650312776025 + 33522680464 = 1284645^2 + 183092^2 .

It is a cyclic number.

It is not a de Polignac number, because 1683835456489 - 2²⁷ = 1683701238761 is a prime.

It is not a weakly prime, because it can be changed into another prime (1683835456189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 841917728244 + 841917728245.

It is an arithmetic number, because the mean of its divisors is an integer number (841917728245).

Almost surely, 2^{1683835456489} is an apocalyptic number.

It is an amenable number.

1683835456489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1683835456489 is an equidigital number, since it uses as much as digits as its factorization.

1683835456489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 597196800, while the sum is 70.

The spelling of 1683835456489 in words is "one trillion, six hundred eighty-three billion, eight hundred thirty-five million, four hundred fifty-six thousand, four hundred eighty-nine".