6339662209 has 4 divisors (see below), whose sum is σ = 6339881520. Its totient is φ = 6339442900.

The previous prime is 6339662171. The next prime is 6339662213. The reversal of 6339662209 is 9022669336.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6339662209 - 2⁷ = 6339662081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6339662249) 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, 58267 + ... + 126784.

It is an arithmetic number, because the mean of its divisors is an integer number (1584970380).

Almost surely, 2^6339662209 is an apocalyptic number.

It is an amenable number.

6339662209 is a deficient number, since it is larger than the sum of its proper divisors (219311).

6339662209 is a wasteful number, since it uses less digits than its factorization.

6339662209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219310.

The product of its (nonzero) digits is 629856, while the sum is 46.

The square root of 6339662209 is about 79621.9957612217. The cubic root of 6339662209 is about 1850.7824505139.

The spelling of 6339662209 in words is "six billion, three hundred thirty-nine million, six hundred sixty-two thousand, two hundred nine".