2009489339 has 16 divisors (see below), whose sum is σ = 2362859520. Its totient is φ = 1684812960.

The previous prime is 2009489309. The next prime is 2009489341. The reversal of 2009489339 is 9339849002.

It is a cyclic number.

It is not a de Polignac number, because 2009489339 - 2²⁸ = 1741053883 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2009489293 and 2009489302.

It is not an unprimeable number, because it can be changed into a prime (2009489309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177404 + ... + 188390.

It is an arithmetic number, because the mean of its divisors is an integer number (147678720).

Almost surely, 2^2009489339 is an apocalyptic number.

2009489339 is a deficient number, since it is larger than the sum of its proper divisors (353370181).

2009489339 is a wasteful number, since it uses less digits than its factorization.

2009489339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12290.

The product of its (nonzero) digits is 419904, while the sum is 47.

The square root of 2009489339 is about 44827.3280377049. The cubic root of 2009489339 is about 1261.9105430347.

The spelling of 2009489339 in words is "two billion, nine million, four hundred eighty-nine thousand, three hundred thirty-nine".