38618881683 has 8 divisors (see below), whose sum is σ = 52883513808. Its totient is φ = 25050085344.

The previous prime is 38618881667. The next prime is 38618881751.

38618881683 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38618881683 - 2⁴ = 38618881667 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (38618881603) 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 7 ways as a sum of consecutive naturals, for example, 173958816 + ... + 173959037.

It is an arithmetic number, because the mean of its divisors is an integer number (6610439226).

Almost surely, 2^38618881683 is an apocalyptic number.

38618881683 is a deficient number, since it is larger than the sum of its proper divisors (14264632125).

38618881683 is a wasteful number, since it uses less digits than its factorization.

38618881683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347917893.

The product of its digits is 10616832, while the sum is 60.

The spelling of 38618881683 in words is "thirty-eight billion, six hundred eighteen million, eight hundred eighty-one thousand, six hundred eighty-three".