4144623213239 has 4 divisors (see below), whose sum is σ = 4148333709624. Its totient is φ = 4140912716856.

The previous prime is 4144623213221. The next prime is 4144623213251. The reversal of 4144623213239 is 9323123264414.

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

It is a cyclic number.

It is not a de Polignac number, because 4144623213239 - 2¹⁶ = 4144623147703 is a prime.

It is a super-2 number, since 2×4144623213239² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4144623213239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4144623213259) 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, 1855246517 + ... + 1855248750.

It is an arithmetic number, because the mean of its divisors is an integer number (1037083427406).

Almost surely, 2^{4144623213239} is an apocalyptic number.

4144623213239 is a deficient number, since it is larger than the sum of its proper divisors (3710496385).

4144623213239 is a wasteful number, since it uses less digits than its factorization.

4144623213239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3710496384.

The product of its digits is 746496, while the sum is 44.

The spelling of 4144623213239 in words is "four trillion, one hundred forty-four billion, six hundred twenty-three million, two hundred thirteen thousand, two hundred thirty-nine".