216932713 has 8 divisors (see below), whose sum is σ = 221496800. Its totient is φ = 212411808.

The previous prime is 216932669. The next prime is 216932717. The reversal of 216932713 is 317239612.

216932713 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-216932713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (216932717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 543 + ... + 20836.

It is an arithmetic number, because the mean of its divisors is an integer number (27687100).

Almost surely, 2^216932713 is an apocalyptic number.

It is an amenable number.

216932713 is a deficient number, since it is larger than the sum of its proper divisors (4564087).

216932713 is a wasteful number, since it uses less digits than its factorization.

216932713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21591.

The product of its digits is 13608, while the sum is 34.

The square root of 216932713 is about 14728.6358159878. The cubic root of 216932713 is about 600.8623830468.

The spelling of 216932713 in words is "two hundred sixteen million, nine hundred thirty-two thousand, seven hundred thirteen".