The surface area of the Sun is approximately 6.087 × 10^12 km² (or 6.087 trillion square kilometers).

Here's how to calculate it:

* Sun's Radius: The Sun's radius is approximately 695,000 kilometers.

* Surface Area Formula: The surface area of a sphere is calculated using the formula: 4πr², where r is the radius.

* Calculation: 4π(695,000 km)² ≈ 6.087 × 10^12 km²