4138871109268 has 18 divisors (see below), whose sum is σ = 8425559044266. Its totient is φ = 1773801903888.

The previous prime is 4138871109251. The next prime is 4138871109271. The reversal of 4138871109268 is 8629011788314.

It can be written as a sum of positive squares in only one way, i.e., 4080189922704 + 58681186564 = 2019948^2 + 242242^2 .

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 10558344471 + ... + 10558344862.

Almost surely, 2^{4138871109268} is an apocalyptic number.

It is an amenable number.

4138871109268 is an abundant number, since it is smaller than the sum of its proper divisors (4286687934998).

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

4138871109268 is a wasteful number, since it uses less digits than its factorization.

4138871109268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21116689351 (or 21116689342 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 58.

The spelling of 4138871109268 in words is "four trillion, one hundred thirty-eight billion, eight hundred seventy-one million, one hundred nine thousand, two hundred sixty-eight".