1683547052489 has 2 divisors, whose sum is σ = 1683547052490. Its totient is φ = 1683547052488.

The previous prime is 1683547052479. The next prime is 1683547052563. The reversal of 1683547052489 is 9842507453861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 953146069264 + 730400983225 = 976292^2 + 854635^2 .

It is a cyclic number.

It is not a de Polignac number, because 1683547052489 - 2⁸ = 1683547052233 is a prime.

It is not a weakly prime, because it can be changed into another prime (1683547052479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 841773526244 + 841773526245.

It is an arithmetic number, because the mean of its divisors is an integer number (841773526245).

It is a 1-persistent number, because it is pandigital, but 2⋅1683547052489 = 3367094104978 is not.

Almost surely, 2^{1683547052489} is an apocalyptic number.

It is an amenable number.

1683547052489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1683547052489 is an equidigital number, since it uses as much as digits as its factorization.

1683547052489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58060800, while the sum is 62.

The spelling of 1683547052489 in words is "one trillion, six hundred eighty-three billion, five hundred forty-seven million, fifty-two thousand, four hundred eighty-nine".