686029314418 has 64 divisors (see below), whose sum is σ = 1315040348160. Its totient is φ = 261299167488.

The previous prime is 686029314409. The next prime is 686029314419. The reversal of 686029314418 is 814413920686.

It is a super-2 number, since 2×686029314418² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (686029314419) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1141171 + ... + 1635337.

It is an arithmetic number, because the mean of its divisors is an integer number (20547505440).

Almost surely, 2^686029314418 is an apocalyptic number.

686029314418 is a deficient number, since it is larger than the sum of its proper divisors (629011033742).

686029314418 is a wasteful number, since it uses less digits than its factorization.

686029314418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494519.

The product of its (nonzero) digits is 1990656, while the sum is 52.

The spelling of 686029314418 in words is "six hundred eighty-six billion, twenty-nine million, three hundred fourteen thousand, four hundred eighteen".