686765526913 has 8 divisors (see below), whose sum is σ = 689369437376. Its totient is φ = 684164804400.

The previous prime is 686765526877. The next prime is 686765526929. The reversal of 686765526913 is 319625567686.

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 686765526913 - 2¹³ = 686765518721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (686765826913) 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, 364878 + ... + 1227463.

It is an arithmetic number, because the mean of its divisors is an integer number (86171179672).

Almost surely, 2^686765526913 is an apocalyptic number.

It is an amenable number.

686765526913 is a deficient number, since it is larger than the sum of its proper divisors (2603910463).

686765526913 is a wasteful number, since it uses less digits than its factorization.

686765526913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1593975.

The product of its digits is 97977600, while the sum is 64.

The spelling of 686765526913 in words is "six hundred eighty-six billion, seven hundred sixty-five million, five hundred twenty-six thousand, nine hundred thirteen".