2885649409 has 4 divisors (see below), whose sum is σ = 2897623300. Its totient is φ = 2873675520.

The previous prime is 2885649407. The next prime is 2885649419. The reversal of 2885649409 is 9049465882.

2885649409 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 can be written as a sum of positive squares in 2 ways, for example, as 1359028225 + 1526621184 = 36865^2 + 39072^2 .

It is a cyclic number.

It is not a de Polignac number, because 2885649409 - 2¹ = 2885649407 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 2885649409.

It is not an unprimeable number, because it can be changed into a prime (2885649401) 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, 5986584 + ... + 5987065.

It is an arithmetic number, because the mean of its divisors is an integer number (724405825).

Almost surely, 2^2885649409 is an apocalyptic number.

It is an amenable number.

2885649409 is a deficient number, since it is larger than the sum of its proper divisors (11973891).

2885649409 is a wasteful number, since it uses less digits than its factorization.

2885649409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11973890.

The product of its (nonzero) digits is 4976640, while the sum is 55.

The square root of 2885649409 is about 53718.2409335972. The cubic root of 2885649409 is about 1423.6870079220.

The spelling of 2885649409 in words is "two billion, eight hundred eighty-five million, six hundred forty-nine thousand, four hundred nine".