5649806976 has 128 divisors (see below), whose sum is σ = 16579814400. Its totient is φ = 1690291200.

The previous prime is 5649806969. The next prime is 5649806989. The reversal of 5649806976 is 6796089465.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 325231 + ... + 342161.

It is an arithmetic number, because the mean of its divisors is an integer number (129529800).

Almost surely, 2^5649806976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5649806976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8289907200).

5649806976 is an abundant number, since it is smaller than the sum of its proper divisors (10930007424).

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

5649806976 is a wasteful number, since it uses less digits than its factorization.

5649806976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17038 (or 17026 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 60.

The square root of 5649806976 is about 75165.1979043493. The cubic root of 5649806976 is about 1781.0572114549.

The spelling of 5649806976 in words is "five billion, six hundred forty-nine million, eight hundred six thousand, nine hundred seventy-six".