2899648209 has 16 divisors (see below), whose sum is σ = 3992760320. Its totient is φ = 1869875280.

The previous prime is 2899648187. The next prime is 2899648217. The reversal of 2899648209 is 9028469982.

It is not a de Polignac number, because 2899648209 - 2¹² = 2899644113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2899648009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240282 + ... + 252060.

It is an arithmetic number, because the mean of its divisors is an integer number (249547520).

Almost surely, 2^2899648209 is an apocalyptic number.

It is an amenable number.

2899648209 is a deficient number, since it is larger than the sum of its proper divisors (1093112111).

2899648209 is a wasteful number, since it uses less digits than its factorization.

2899648209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14460.

The product of its (nonzero) digits is 4478976, while the sum is 57.

The square root of 2899648209 is about 53848.3816748470. The cubic root of 2899648209 is about 1425.9854816905.

The spelling of 2899648209 in words is "two billion, eight hundred ninety-nine million, six hundred forty-eight thousand, two hundred nine".