title: How to work with big numbers (int64 / bigInt) in Google App Script?
body: <p>As you can see below, in all the cases the number is shown wrong:</p>
  <pre><code>  var a = 714205074837649919;
    console.log(a); //&gt;&gt; 7.1420507483764992E17
    console.log(parseInt(a)); //&gt;&gt; 7.1420507483764992E17
    console.log(parseInt(a).toString()); //&gt;&gt; 714205074837649900
    console.log(parseFloat(a).toString()); //&gt;&gt; 714205074837649900
  </code></pre>