682645438508 has 48 divisors (see below), whose sum is σ = 1324776042240. Its totient is φ = 305165275200.

The previous prime is 682645438487. The next prime is 682645438513. The reversal of 682645438508 is 805834546286.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28768673 + ... + 28792391.

It is an arithmetic number, because the mean of its divisors is an integer number (27599500880).

Almost surely, 2^682645438508 is an apocalyptic number.

It is an amenable number.

682645438508 is a deficient number, since it is larger than the sum of its proper divisors (642130603732).

682645438508 is a wasteful number, since it uses less digits than its factorization.

682645438508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34518 (or 34516 counting only the distinct ones).

The product of its (nonzero) digits is 44236800, while the sum is 59.

The spelling of 682645438508 in words is "six hundred eighty-two billion, six hundred forty-five million, four hundred thirty-eight thousand, five hundred eight".