4121317839 has 4 divisors (see below), whose sum is σ = 5495090456. Its totient is φ = 2747545224.

The previous prime is 4121317831. The next prime is 4121317841. The reversal of 4121317839 is 9387131214.

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

It is not a de Polignac number, because 4121317839 - 2³ = 4121317831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4121317797 and 4121317806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4121317831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 686886304 + ... + 686886309.

It is an arithmetic number, because the mean of its divisors is an integer number (1373772614).

Almost surely, 2^4121317839 is an apocalyptic number.

4121317839 is a deficient number, since it is larger than the sum of its proper divisors (1373772617).

4121317839 is a wasteful number, since it uses less digits than its factorization.

4121317839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373772616.

The product of its digits is 36288, while the sum is 39.

The square root of 4121317839 is about 64197.4909089133. The cubic root of 4121317839 is about 1603.2898246423.

The spelling of 4121317839 in words is "four billion, one hundred twenty-one million, three hundred seventeen thousand, eight hundred thirty-nine".