686532325104 has 40 divisors (see below), whose sum is σ = 1970602045520. Its totient is φ = 228844108224.

The previous prime is 686532325091. The next prime is 686532325117. The reversal of 686532325104 is 401523235686.

686532325104 is a `hidden beast` number, since 6 + 8 + 6 + 532 + 3 + 2 + 5 + 104 = 666.

It is an interprime number because it is at equal distance from previous prime (686532325091) and next prime (686532325117).

It is a super-2 number, since 2×686532325104² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 686532325104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 794597167 + ... + 794598030.

It is an arithmetic number, because the mean of its divisors is an integer number (49265051138).

Almost surely, 2^686532325104 is an apocalyptic number.

It is an amenable number.

686532325104 is an abundant number, since it is smaller than the sum of its proper divisors (1284069720416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

686532325104 is a wasteful number, since it uses less digits than its factorization.

686532325104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1589195214 (or 1589195202 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 686532325104 in words is "six hundred eighty-six billion, five hundred thirty-two million, three hundred twenty-five thousand, one hundred four".