5449646816 has 24 divisors (see below), whose sum is σ = 10784595024. Its totient is φ = 2710702080.

The previous prime is 5449646779. The next prime is 5449646827. The reversal of 5449646816 is 6186469445.

It is a congruent number.

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, 435020 + ... + 447371.

It is an arithmetic number, because the mean of its divisors is an integer number (449358126).

Almost surely, 2^5449646816 is an apocalyptic number.

It is an amenable number.

5449646816 is a deficient number, since it is larger than the sum of its proper divisors (5334948208).

5449646816 is a wasteful number, since it uses less digits than its factorization.

5449646816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882594 (or 882586 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 53.

The square root of 5449646816 is about 73821.7231985274. The cubic root of 5449646816 is about 1759.7708482649.

The spelling of 5449646816 in words is "five billion, four hundred forty-nine million, six hundred forty-six thousand, eight hundred sixteen".