689675541 has 8 divisors (see below), whose sum is σ = 919690464. Its totient is φ = 459722160.

The previous prime is 689675513. The next prime is 689675551. The reversal of 689675541 is 145576986.

689675541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 689675541 - 2⁹ = 689675029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689675551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29350 + ... + 47336.

It is an arithmetic number, because the mean of its divisors is an integer number (114961308).

Almost surely, 2^689675541 is an apocalyptic number.

It is an amenable number.

689675541 is a deficient number, since it is larger than the sum of its proper divisors (230014923).

689675541 is a wasteful number, since it uses less digits than its factorization.

689675541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30771.

The product of its digits is 1814400, while the sum is 51.

The square root of 689675541 is about 26261.6743754087. The cubic root of 689675541 is about 883.5170632735.

The spelling of 689675541 in words is "six hundred eighty-nine million, six hundred seventy-five thousand, five hundred forty-one".