689317203109 has 8 divisors (see below), whose sum is σ = 692852862240. Its totient is φ = 685781913936.

The previous prime is 689317203097. The next prime is 689317203121. The reversal of 689317203109 is 901302713986.

It is an interprime number because it is at equal distance from previous prime (689317203097) and next prime (689317203121).

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

It is a cyclic number.

It is not a de Polignac number, because 689317203109 - 2²³ = 689308814501 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 (689917203109) 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, 4137862 + ... + 4301224.

It is an arithmetic number, because the mean of its divisors is an integer number (86606607780).

Almost surely, 2^689317203109 is an apocalyptic number.

It is an amenable number.

689317203109 is a deficient number, since it is larger than the sum of its proper divisors (3535659131).

689317203109 is a wasteful number, since it uses less digits than its factorization.

689317203109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184979.

The product of its (nonzero) digits is 489888, while the sum is 49.

The spelling of 689317203109 in words is "six hundred eighty-nine billion, three hundred seventeen million, two hundred three thousand, one hundred nine".