2449809644 has 12 divisors (see below), whose sum is σ = 4289667144. Its totient is φ = 1224190464.

The previous prime is 2449809643. The next prime is 2449809653. The reversal of 2449809644 is 4469089442.

It is a junction number, because it is equal to n+sod(n) for n = 2449809592 and 2449809601.

It is not an unprimeable number, because it can be changed into a prime (2449809643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170837 + ... + 184620.

It is an arithmetic number, because the mean of its divisors is an integer number (357472262).

Almost surely, 2^2449809644 is an apocalyptic number.

It is an amenable number.

2449809644 is a deficient number, since it is larger than the sum of its proper divisors (1839857500).

2449809644 is a wasteful number, since it uses less digits than its factorization.

2449809644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357184 (or 357182 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 50.

The square root of 2449809644 is about 49495.5517597289. The cubic root of 2449809644 is about 1348.0648348509.

The spelling of 2449809644 in words is "two billion, four hundred forty-nine million, eight hundred nine thousand, six hundred forty-four".