683573389 has 4 divisors (see below), whose sum is σ = 683641980. Its totient is φ = 683504800.

The previous prime is 683573377. The next prime is 683573399. The reversal of 683573389 is 983375386.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 518245225 + 165328164 = 22765^2 + 12858^2 .

It is a cyclic number.

It is not a de Polignac number, because 683573389 - 2⁵ = 683573357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683573339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16144 + ... + 40345.

It is an arithmetic number, because the mean of its divisors is an integer number (170910495).

Almost surely, 2^683573389 is an apocalyptic number.

It is an amenable number.

683573389 is a deficient number, since it is larger than the sum of its proper divisors (68591).

683573389 is a wasteful number, since it uses less digits than its factorization.

683573389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68590.

The product of its digits is 3265920, while the sum is 52.

The square root of 683573389 is about 26145.2364494950. The cubic root of 683573389 is about 880.9035953611.

The spelling of 683573389 in words is "six hundred eighty-three million, five hundred seventy-three thousand, three hundred eighty-nine".