38658685683 has 16 divisors (see below), whose sum is σ = 55640689920. Its totient is φ = 23801848224.

The previous prime is 38658685679. The next prime is 38658685733.

38658685683 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 38658685683 - 2² = 38658685679 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38658685603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9657841 + ... + 9661842.

It is an arithmetic number, because the mean of its divisors is an integer number (3477543120).

Almost surely, 2^38658685683 is an apocalyptic number.

38658685683 is a deficient number, since it is larger than the sum of its proper divisors (16982004237).

38658685683 is a wasteful number, since it uses less digits than its factorization.

38658685683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19319738.

The product of its digits is 199065600, while the sum is 66.

The spelling of 38658685683 in words is "thirty-eight billion, six hundred fifty-eight million, six hundred eighty-five thousand, six hundred eighty-three".