214815216724 has 6 divisors (see below), whose sum is σ = 375926629274. Its totient is φ = 107407608360.

The previous prime is 214815216701. The next prime is 214815216799. The reversal of 214815216724 is 427612518412.

It can be written as a sum of positive squares in only one way, i.e., 107408263824 + 107406952900 = 327732^2 + 327730^2 .

It is a super-2 number, since 2×214815216724² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26851902087 + ... + 26851902094.

Almost surely, 2^214815216724 is an apocalyptic number.

It is an amenable number.

214815216724 is a deficient number, since it is larger than the sum of its proper divisors (161111412550).

214815216724 is a wasteful number, since it uses less digits than its factorization.

214815216724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53703804185 (or 53703804183 counting only the distinct ones).

The product of its digits is 215040, while the sum is 43.

The spelling of 214815216724 in words is "two hundred fourteen billion, eight hundred fifteen million, two hundred sixteen thousand, seven hundred twenty-four".