4138001502879 has 4 divisors (see below), whose sum is σ = 5517335337176. Its totient is φ = 2758667668584.

The previous prime is 4138001502841. The next prime is 4138001502889. The reversal of 4138001502879 is 9782051008314.

4138001502879 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 4138001502879 - 2²⁴ = 4137984725663 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 (4138001502829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 689666917144 + ... + 689666917149.

It is an arithmetic number, because the mean of its divisors is an integer number (1379333834294).

Almost surely, 2^{4138001502879} is an apocalyptic number.

4138001502879 is a deficient number, since it is larger than the sum of its proper divisors (1379333834297).

4138001502879 is a wasteful number, since it uses less digits than its factorization.

4138001502879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379333834296.

The product of its (nonzero) digits is 483840, while the sum is 48.

The spelling of 4138001502879 in words is "four trillion, one hundred thirty-eight billion, one million, five hundred two thousand, eight hundred seventy-nine".