Not right now... but maybe in the future, who knows. There was a time number theory was viewed as pointless: "The theory of Numbers has always been regarded as

Not right now... but maybe in the future, who knows. There was a time number theory was viewed as pointless: "The theory of Numbers has always been regarded as one of the most obviously useless branches of Pure Mathematics." - G.H.Hardy. He might be very disappointed that number theory underpins modern cryptography.