21717463714 has 8 divisors (see below), whose sum is σ = 34290732240. Its totient is φ = 10287219636.

The previous prime is 21717463699. The next prime is 21717463753. The reversal of 21717463714 is 41736471712.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285756064 + ... + 285756139.

It is an arithmetic number, because the mean of its divisors is an integer number (4286341530).

Almost surely, 2^21717463714 is an apocalyptic number.

21717463714 is a deficient number, since it is larger than the sum of its proper divisors (12573268526).

21717463714 is a wasteful number, since it uses less digits than its factorization.

21717463714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571512224.

The product of its digits is 197568, while the sum is 43.

The spelling of 21717463714 in words is "twenty-one billion, seven hundred seventeen million, four hundred sixty-three thousand, seven hundred fourteen".