5643664890 has 32 divisors (see below), whose sum is σ = 13561312896. Its totient is φ = 1503142080.

The previous prime is 5643664877. The next prime is 5643664907. The reversal of 5643664890 is 984663465.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89601 + ... + 138980.

It is an arithmetic number, because the mean of its divisors is an integer number (423791028).

Almost surely, 2^5643664890 is an apocalyptic number.

5643664890 is an abundant number, since it is smaller than the sum of its proper divisors (7917648006).

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

5643664890 is a wasteful number, since it uses less digits than its factorization.

5643664890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229414.

The product of its (nonzero) digits is 3732480, while the sum is 51.

The square root of 5643664890 is about 75124.3295477570. The cubic root of 5643664890 is about 1780.4115626626.

The spelling of 5643664890 in words is "five billion, six hundred forty-three million, six hundred sixty-four thousand, eight hundred ninety".