682123729563 has 6 divisors (see below), whose sum is σ = 985289831604. Its totient is φ = 454749153036.

The previous prime is 682123729561. The next prime is 682123729571. The reversal of 682123729563 is 365927321286.

682123729563 is a `hidden beast` number, since 6 + 8 + 2 + 1 + 2 + 3 + 72 + 9 + 563 = 666.

It is not a de Polignac number, because 682123729563 - 2¹ = 682123729561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (682123729561) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 37895762745 + ... + 37895762762.

It is an arithmetic number, because the mean of its divisors is an integer number (164214971934).

Almost surely, 2^682123729563 is an apocalyptic number.

682123729563 is a deficient number, since it is larger than the sum of its proper divisors (303166102041).

682123729563 is a wasteful number, since it uses less digits than its factorization.

682123729563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75791525513 (or 75791525510 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 54.

It can be divided in two parts, 6821 and 23729563, that added together give a square (23736384 = 4872²).

The spelling of 682123729563 in words is "six hundred eighty-two billion, one hundred twenty-three million, seven hundred twenty-nine thousand, five hundred sixty-three".