2169679339 has 4 divisors (see below), whose sum is σ = 2189956824. Its totient is φ = 2149401856.

The previous prime is 2169679333. The next prime is 2169679361. The reversal of 2169679339 is 9339769612.

2169679339 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 a cyclic number.

It is not a de Polignac number, because 2169679339 - 2⁵ = 2169679307 is a prime.

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 2169679339.

It is not an unprimeable number, because it can be changed into a prime (2169679333) 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, 10138582 + ... + 10138795.

It is an arithmetic number, because the mean of its divisors is an integer number (547489206).

Almost surely, 2^2169679339 is an apocalyptic number.

2169679339 is a deficient number, since it is larger than the sum of its proper divisors (20277485).

2169679339 is a wasteful number, since it uses less digits than its factorization.

2169679339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20277484.

The product of its digits is 3306744, while the sum is 55.

The square root of 2169679339 is about 46579.8168631007. The cubic root of 2169679339 is about 1294.5888169480.

The spelling of 2169679339 in words is "two billion, one hundred sixty-nine million, six hundred seventy-nine thousand, three hundred thirty-nine".