686483452655 has 192 divisors, whose sum is σ = 1182686109696. Its totient is φ = 369024768000.

The previous prime is 686483452607. The next prime is 686483452661. The reversal of 686483452655 is 556254384686.

It is a happy number.

It is not a de Polignac number, because 686483452655 - 2⁶ = 686483452591 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 130482725 + ... + 130487985.

It is an arithmetic number, because the mean of its divisors is an integer number (6159823488).

Almost surely, 2^686483452655 is an apocalyptic number.

686483452655 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

686483452655 is a deficient number, since it is larger than the sum of its proper divisors (496202657041).

686483452655 is a wasteful number, since it uses less digits than its factorization.

686483452655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5386 (or 5357 counting only the distinct ones).

The product of its digits is 165888000, while the sum is 62.

The spelling of 686483452655 in words is "six hundred eighty-six billion, four hundred eighty-three million, four hundred fifty-two thousand, six hundred fifty-five".