216743319234 has 64 divisors (see below), whose sum is σ = 518873402880. Its totient is φ = 66668209920.

The previous prime is 216743319227. The next prime is 216743319241. The reversal of 216743319234 is 432913347612.

216743319234 is a `hidden beast` number, since 2 + 1 + 67 + 43 + 319 + 234 = 666.

216743319234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (216743319227) and next prime (216743319241).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 216743319234.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2141479 + ... + 2240405.

It is an arithmetic number, because the mean of its divisors is an integer number (8107396920).

Almost surely, 2^216743319234 is an apocalyptic number.

216743319234 is an abundant number, since it is smaller than the sum of its proper divisors (302130083646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

216743319234 is a wasteful number, since it uses less digits than its factorization.

216743319234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102072 (or 102066 counting only the distinct ones).

The product of its digits is 653184, while the sum is 45.

The spelling of 216743319234 in words is "two hundred sixteen billion, seven hundred forty-three million, three hundred nineteen thousand, two hundred thirty-four".