682553943 has 6 divisors (see below), whose sum is σ = 985911264. Its totient is φ = 455035956.

The previous prime is 682553923. The next prime is 682553953. The reversal of 682553943 is 349355286.

682553943 is a `hidden beast` number, since 6 + 8 + 2 + 553 + 94 + 3 = 666.

It is not a de Polignac number, because 682553943 - 2⁸ = 682553687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (682553923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37919655 + ... + 37919672.

It is an arithmetic number, because the mean of its divisors is an integer number (164318544).

Almost surely, 2^682553943 is an apocalyptic number.

682553943 is a deficient number, since it is larger than the sum of its proper divisors (303357321).

682553943 is a wasteful number, since it uses less digits than its factorization.

682553943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75839333 (or 75839330 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The square root of 682553943 is about 26125.7333485588. The cubic root of 682553943 is about 880.4654661330.

The spelling of 682553943 in words is "six hundred eighty-two million, five hundred fifty-three thousand, nine hundred forty-three".