689316573 has 16 divisors (see below), whose sum is σ = 1037217600. Its totient is φ = 403361280.

The previous prime is 689316557. The next prime is 689316583. The reversal of 689316573 is 375613986.

It is a happy number.

It is not a de Polignac number, because 689316573 - 2⁴ = 689316557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689316553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 359188 + ... + 361101.

It is an arithmetic number, because the mean of its divisors is an integer number (64826100).

Almost surely, 2^689316573 is an apocalyptic number.

It is an amenable number.

689316573 is a deficient number, since it is larger than the sum of its proper divisors (347901027).

689316573 is a wasteful number, since it uses less digits than its factorization.

689316573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720332.

The product of its digits is 816480, while the sum is 48.

The square root of 689316573 is about 26254.8390396894. The cubic root of 689316573 is about 883.3637499277.

The spelling of 689316573 in words is "six hundred eighty-nine million, three hundred sixteen thousand, five hundred seventy-three".