2449217649 has 16 divisors (see below), whose sum is σ = 3433619520. Its totient is φ = 1550660160.

The previous prime is 2449217647. The next prime is 2449217663. The reversal of 2449217649 is 9467129442.

It is not a de Polignac number, because 2449217649 - 2¹ = 2449217647 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2449217598 and 2449217607.

It is not an unprimeable number, because it can be changed into a prime (2449217647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225447 + ... + 236060.

It is an arithmetic number, because the mean of its divisors is an integer number (214601220).

Almost surely, 2^2449217649 is an apocalyptic number.

2449217649 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2449217649 is a deficient number, since it is larger than the sum of its proper divisors (984401871).

2449217649 is a wasteful number, since it uses less digits than its factorization.

2449217649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461600.

The product of its digits is 870912, while the sum is 48.

The square root of 2449217649 is about 49489.5711135185. The cubic root of 2449217649 is about 1347.9562397559.

The spelling of 2449217649 in words is "two billion, four hundred forty-nine million, two hundred seventeen thousand, six hundred forty-nine".