683543931 has 32 divisors (see below), whose sum is σ = 1055935488. Its totient is φ = 385257600.

The previous prime is 683543921. The next prime is 683543951. The reversal of 683543931 is 139345386.

It is not a de Polignac number, because 683543931 - 2¹⁸ = 683281787 is a prime.

It is a super-2 number, since 2×683543931² = 934464611213865522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (683543921) 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 31 ways as a sum of consecutive naturals, for example, 497161 + ... + 498533.

It is an arithmetic number, because the mean of its divisors is an integer number (32997984).

Almost surely, 2^683543931 is an apocalyptic number.

683543931 is a deficient number, since it is larger than the sum of its proper divisors (372391557).

683543931 is a wasteful number, since it uses less digits than its factorization.

683543931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691.

The product of its digits is 233280, while the sum is 42.

The square root of 683543931 is about 26144.6730903257. The cubic root of 683543931 is about 880.8909412549.

The spelling of 683543931 in words is "six hundred eighty-three million, five hundred forty-three thousand, nine hundred thirty-one".