4244139671 has 4 divisors (see below), whose sum is σ = 4324217832. Its totient is φ = 4164061512.

The previous prime is 4244139637. The next prime is 4244139677. The reversal of 4244139671 is 1769314424.

4244139671 is digitally balanced in base 3, 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4244139671 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 (4244139677) 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, 40039001 + ... + 40039106.

It is an arithmetic number, because the mean of its divisors is an integer number (1081054458).

Almost surely, 2^4244139671 is an apocalyptic number.

4244139671 is a deficient number, since it is larger than the sum of its proper divisors (80078161).

4244139671 is an equidigital number, since it uses as much as digits as its factorization.

4244139671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80078160.

The product of its digits is 145152, while the sum is 41.

The square root of 4244139671 is about 65147.0618754215. The cubic root of 4244139671 is about 1619.0610408775.

The spelling of 4244139671 in words is "four billion, two hundred forty-four million, one hundred thirty-nine thousand, six hundred seventy-one".