2209039449 has 16 divisors (see below), whose sum is σ = 3123945792. Its totient is φ = 1383707648.

The previous prime is 2209039411. The next prime is 2209039471. The reversal of 2209039449 is 9449309022.

It is a cyclic number.

It is not a de Polignac number, because 2209039449 - 2⁸ = 2209039193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2209039449.

It is not an unprimeable number, because it can be changed into a prime (2209039489) 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, 6279 + ... + 66764.

It is an arithmetic number, because the mean of its divisors is an integer number (195246612).

Almost surely, 2^2209039449 is an apocalyptic number.

It is an amenable number.

2209039449 is a deficient number, since it is larger than the sum of its proper divisors (914906343).

2209039449 is a wasteful number, since it uses less digits than its factorization.

2209039449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73656.

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 2209039449 is about 47000.4196683391. The cubic root of 2209039449 is about 1302.3703202863.

The spelling of 2209039449 in words is "two billion, two hundred nine million, thirty-nine thousand, four hundred forty-nine".