38834862138 has 12 divisors (see below), whose sum is σ = 84142201338. Its totient is φ = 12944954040.

The previous prime is 38834862041. The next prime is 38834862163. The reversal of 38834862138 is 83126843883.

38834862138 is a `hidden beast` number, since 3 + 8 + 8 + 3 + 4 + 8 + 621 + 3 + 8 = 666.

38834862138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 23758214769 + 15076647369 = 154137^2 + 122787^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1078746153 + ... + 1078746188.

Almost surely, 2^38834862138 is an apocalyptic number.

38834862138 is an abundant number, since it is smaller than the sum of its proper divisors (45307339200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38834862138 is a wasteful number, since it uses less digits than its factorization.

38834862138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2157492349 (or 2157492346 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 54.

The spelling of 38834862138 in words is "thirty-eight billion, eight hundred thirty-four million, eight hundred sixty-two thousand, one hundred thirty-eight".