689429485 has 16 divisors (see below), whose sum is σ = 866681856. Its totient is φ = 525488128.

The previous prime is 689429479. The next prime is 689429513. The reversal of 689429485 is 584924986.

It is a cyclic number.

It is not a de Polignac number, because 689429485 - 2⁹ = 689428973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17892 + ... + 41218.

It is an arithmetic number, because the mean of its divisors is an integer number (54167616).

Almost surely, 2^689429485 is an apocalyptic number.

It is an amenable number.

689429485 is a deficient number, since it is larger than the sum of its proper divisors (177252371).

689429485 is a wasteful number, since it uses less digits than its factorization.

689429485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23612.

The product of its digits is 4976640, while the sum is 55.

The square root of 689429485 is about 26256.9892600047. The cubic root of 689429485 is about 883.4119797861.

The spelling of 689429485 in words is "six hundred eighty-nine million, four hundred twenty-nine thousand, four hundred eighty-five".