217464682414 has 16 divisors (see below), whose sum is σ = 394725810528. Its totient is φ = 87716846592.

The previous prime is 217464682327. The next prime is 217464682417. The reversal of 217464682414 is 414286464712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (217464682417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 456858339 + ... + 456858814.

It is an arithmetic number, because the mean of its divisors is an integer number (24670363158).

Almost surely, 2^217464682414 is an apocalyptic number.

217464682414 is a deficient number, since it is larger than the sum of its proper divisors (177261128114).

217464682414 is a wasteful number, since it uses less digits than its factorization.

217464682414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913717179.

The product of its digits is 2064384, while the sum is 49.

The spelling of 217464682414 in words is "two hundred seventeen billion, four hundred sixty-four million, six hundred eighty-two thousand, four hundred fourteen".