4138871109206 has 4 divisors (see below), whose sum is σ = 6208306663812. Its totient is φ = 2069435554602.

The previous prime is 4138871109181. The next prime is 4138871109251. The reversal of 4138871109206 is 6029011788314.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1034717777300 + ... + 1034717777303.

It is an arithmetic number, because the mean of its divisors is an integer number (1552076665953).

Almost surely, 2^{4138871109206} is an apocalyptic number.

4138871109206 is a deficient number, since it is larger than the sum of its proper divisors (2069435554606).

4138871109206 is a wasteful number, since it uses less digits than its factorization.

4138871109206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2069435554605.

The product of its (nonzero) digits is 580608, while the sum is 50.

The spelling of 4138871109206 in words is "four trillion, one hundred thirty-eight billion, eight hundred seventy-one million, one hundred nine thousand, two hundred six".