public static bool IsReversableNumber(this Int64 source)
{
if (source.ToString().EndsWith("0") || source.AllDigitsAreEven())
{
return(false);
}
var reversedSource = Int64.Parse(new string(source.ToString().Reverse().ToArray()));
var isReversableNumber = (source + reversedSource).AllDigitsAreOdd();
return(isReversableNumber);
}