38631381085 has 8 divisors (see below), whose sum is σ = 50571989856. Its totient is φ = 28095549840.

The previous prime is 38631381083. The next prime is 38631381119. The reversal of 38631381085 is 58018313683.

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

It is not a de Polignac number, because 38631381085 - 2¹ = 38631381083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38631381083) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 351194319 + ... + 351194428.

It is an arithmetic number, because the mean of its divisors is an integer number (6321498732).

Almost surely, 2^38631381085 is an apocalyptic number.

It is an amenable number.

38631381085 is a deficient number, since it is larger than the sum of its proper divisors (11940608771).

38631381085 is a wasteful number, since it uses less digits than its factorization.

38631381085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702388763.

The product of its (nonzero) digits is 414720, while the sum is 46.

The spelling of 38631381085 in words is "thirty-eight billion, six hundred thirty-one million, three hundred eighty-one thousand, eighty-five".