2853889649 has 24 divisors (see below), whose sum is σ = 3161098080. Its totient is φ = 2574554112.

The previous prime is 2853889609. The next prime is 2853889651. The reversal of 2853889649 is 9469883582.

2853889649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-2853889649 is a prime.

It is a super-2 number, since 2×2853889649² = 16289372257338686402, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2853889591 and 2853889600.

It is not an unprimeable number, because it can be changed into a prime (2853889609) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1923662 + ... + 1925144.

It is an arithmetic number, because the mean of its divisors is an integer number (131712420).

Almost surely, 2^2853889649 is an apocalyptic number.

It is an amenable number.

2853889649 is a deficient number, since it is larger than the sum of its proper divisors (307208431).

2853889649 is a wasteful number, since it uses less digits than its factorization.

2853889649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1761 (or 1748 counting only the distinct ones).

The product of its digits is 29859840, while the sum is 62.

The square root of 2853889649 is about 53421.8087395026. The cubic root of 2853889649 is about 1418.4446451223. Note that the first 3 decimals are identical.

The spelling of 2853889649 in words is "two billion, eight hundred fifty-three million, eight hundred eighty-nine thousand, six hundred forty-nine".