2649246844 has 12 divisors (see below), whose sum is σ = 4636748368. Its totient is φ = 1324461600.

The previous prime is 2649246827. The next prime is 2649246883. The reversal of 2649246844 is 4486429462.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1129 + ... + 72799.

Almost surely, 2^2649246844 is an apocalyptic number.

It is an amenable number.

2649246844 is a deficient number, since it is larger than the sum of its proper divisors (1987501524).

2649246844 is a wasteful number, since it uses less digits than its factorization.

2649246844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80916 (or 80914 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 49.

The square root of 2649246844 is about 51470.8348873418. The cubic root of 2649246844 is about 1383.6963921047.

The spelling of 2649246844 in words is "two billion, six hundred forty-nine million, two hundred forty-six thousand, eight hundred forty-four".