library(collapse)

t1 <- data.frame(id = 1:5)

t2 <- fmutate(t1, id = bit64::as.integer64(id))

join(
  t1, t2,
  on = "id",
  how = "full"
)
#> full join: t1[id] 0/5 (0%) <NaN:1st> t2[id] 0/5 (0%)
#>                     id
#> 1  4607182418800017408
#> 2  4611686018427387904
#> 3  4613937818241073152
#> 4  4616189618054758400
#> 5  4617315517961601024
#> 6                    1
#> 7                    2
#> 8                    3
#> 9                    4
#> 10                   5