2249456816 has 20 divisors (see below), whose sum is σ = 4587708600. Its totient is φ = 1065532032.

The previous prime is 2249456791. The next prime is 2249456843. The reversal of 2249456816 is 6186549422.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3699461 + ... + 3700068.

It is an arithmetic number, because the mean of its divisors is an integer number (229385430).

Almost surely, 2^2249456816 is an apocalyptic number.

It is an amenable number.

2249456816 is an abundant number, since it is smaller than the sum of its proper divisors (2338251784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2249456816 is a wasteful number, since it uses less digits than its factorization.

2249456816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7399556 (or 7399550 counting only the distinct ones).

The product of its digits is 829440, while the sum is 47.

The square root of 2249456816 is about 47428.4388948234. The cubic root of 2249456816 is about 1310.2652408553.

The spelling of 2249456816 in words is "two billion, two hundred forty-nine million, four hundred fifty-six thousand, eight hundred sixteen".