4138313868 has 48 divisors (see below), whose sum is σ = 11554270560. Its totient is φ = 1273326912.

The previous prime is 4138313843. The next prime is 4138313897. The reversal of 4138313868 is 8683138314.

4138313868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×4138313868² = 34251283340162242848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1472355 + ... + 1475162.

It is an arithmetic number, because the mean of its divisors is an integer number (240713970).

Almost surely, 2^4138313868 is an apocalyptic number.

It is an amenable number.

4138313868 is an abundant number, since it is smaller than the sum of its proper divisors (7415956692).

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

4138313868 is a wasteful number, since it uses less digits than its factorization.

4138313868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2947543 (or 2947535 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 4138313868 is about 64329.7277158858. The cubic root of 4138313868 is about 1605.4907539381.

The spelling of 4138313868 in words is "four billion, one hundred thirty-eight million, three hundred thirteen thousand, eight hundred sixty-eight".