683243919 has 6 divisors (see below), whose sum is σ = 986907896. Its totient is φ = 455495940.

The previous prime is 683243909. The next prime is 683243921. The reversal of 683243919 is 919342386.

It is a happy number.

It is not a de Polignac number, because 683243919 - 2⁸ = 683243663 is a prime.

It is a super-2 number, since 2×683243919² = 933644505700957122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683243909) 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, 37957987 + ... + 37958004.

Almost surely, 2^683243919 is an apocalyptic number.

683243919 is a deficient number, since it is larger than the sum of its proper divisors (303663977).

683243919 is a wasteful number, since it uses less digits than its factorization.

683243919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75915997 (or 75915994 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 683243919 is about 26138.9349247440. The cubic root of 683243919 is about 880.7620460881.

The spelling of 683243919 in words is "six hundred eighty-three million, two hundred forty-three thousand, nine hundred nineteen".