217524853382 has 16 divisors (see below), whose sum is σ = 329030517312. Its totient is φ = 107851833000.

The previous prime is 217524853373. The next prime is 217524853391. The reversal of 217524853382 is 283358425712.

It is an interprime number because it is at equal distance from previous prime (217524853373) and next prime (217524853391).

It is a self number, because there is not a number n which added to its sum of digits gives 217524853382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 840488 + ... + 1068395.

It is an arithmetic number, because the mean of its divisors is an integer number (20564407332).

Almost surely, 2^217524853382 is an apocalyptic number.

217524853382 is a deficient number, since it is larger than the sum of its proper divisors (111505663930).

217524853382 is a wasteful number, since it uses less digits than its factorization.

217524853382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1909363.

The product of its digits is 3225600, while the sum is 50.

The spelling of 217524853382 in words is "two hundred seventeen billion, five hundred twenty-four million, eight hundred fifty-three thousand, three hundred eighty-two".