682581217203 has 12 divisors (see below), whose sum is σ = 985957903840. Its totient is φ = 455050795536.

The previous prime is 682581217181. The next prime is 682581217243. The reversal of 682581217203 is 302712185286.

682581217203 is a `hidden beast` number, since 68 + 2 + 581 + 2 + 1 + 7 + 2 + 0 + 3 = 666.

It is not a de Polignac number, because 682581217203 - 2²¹ = 682579120051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (682581217243) 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 11 ways as a sum of consecutive naturals, for example, 1941453 + ... + 2265921.

Almost surely, 2^682581217203 is an apocalyptic number.

682581217203 is a deficient number, since it is larger than the sum of its proper divisors (303376686637).

682581217203 is a wasteful number, since it uses less digits than its factorization.

682581217203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558218 (or 558215 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 682581217203 in words is "six hundred eighty-two billion, five hundred eighty-one million, two hundred seventeen thousand, two hundred three".