689589729273 has 8 divisors (see below), whose sum is σ = 933176151328. Its totient is φ = 452864896704.

The previous prime is 689589729217. The next prime is 689589729313. The reversal of 689589729273 is 372927985986.

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

It is not a de Polignac number, because 689589729273 - 2¹⁰ = 689589728249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 689589729195 and 689589729204.

It is not an unprimeable number, because it can be changed into a prime (689589749273) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1715397136 + ... + 1715397537.

It is an arithmetic number, because the mean of its divisors is an integer number (116647018916).

Almost surely, 2^689589729273 is an apocalyptic number.

It is an amenable number.

689589729273 is a deficient number, since it is larger than the sum of its proper divisors (243586422055).

689589729273 is a wasteful number, since it uses less digits than its factorization.

689589729273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3430794743.

The product of its digits is 823011840, while the sum is 75.

The spelling of 689589729273 in words is "six hundred eighty-nine billion, five hundred eighty-nine million, seven hundred twenty-nine thousand, two hundred seventy-three".