689530387117 has 8 divisors (see below), whose sum is σ = 810077657760. Its totient is φ = 578626898160.

The previous prime is 689530387099. The next prime is 689530387163. The reversal of 689530387117 is 711783035986.

689530387117 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 a cyclic number.

It is not a de Polignac number, because 689530387117 - 2¹¹ = 689530385069 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 (689530387177) 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, 2410945267 + ... + 2410945552.

It is an arithmetic number, because the mean of its divisors is an integer number (101259707220).

Almost surely, 2^689530387117 is an apocalyptic number.

It is an amenable number.

689530387117 is a deficient number, since it is larger than the sum of its proper divisors (120547270643).

689530387117 is a wasteful number, since it uses less digits than its factorization.

689530387117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4821890843.

The product of its (nonzero) digits is 7620480, while the sum is 58.

The spelling of 689530387117 in words is "six hundred eighty-nine billion, five hundred thirty million, three hundred eighty-seven thousand, one hundred seventeen".