683506789 has 4 divisors (see below), whose sum is σ = 781150624. Its totient is φ = 585862956.

The previous prime is 683506787. The next prime is 683506793. The reversal of 683506789 is 987605386.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 683506789 - 2¹ = 683506787 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 (683506783) 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 3 ways as a sum of consecutive naturals, for example, 48821907 + ... + 48821920.

It is an arithmetic number, because the mean of its divisors is an integer number (195287656).

Almost surely, 2^683506789 is an apocalyptic number.

It is an amenable number.

683506789 is a deficient number, since it is larger than the sum of its proper divisors (97643835).

683506789 is an equidigital number, since it uses as much as digits as its factorization.

683506789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97643834.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The square root of 683506789 is about 26143.9627638964. The cubic root of 683506789 is about 880.8749858581.

The spelling of 683506789 in words is "six hundred eighty-three million, five hundred six thousand, seven hundred eighty-nine".