5663644540 has 12 divisors (see below), whose sum is σ = 11893653576. Its totient is φ = 2265457808.

The previous prime is 5663644531. The next prime is 5663644577. The reversal of 5663644540 is 454463665.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141591094 + ... + 141591133.

It is an arithmetic number, because the mean of its divisors is an integer number (991137798).

Almost surely, 2^5663644540 is an apocalyptic number.

It is an amenable number.

5663644540 is an abundant number, since it is smaller than the sum of its proper divisors (6230009036).

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

5663644540 is a wasteful number, since it uses less digits than its factorization.

5663644540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283182236 (or 283182234 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 43.

The square root of 5663644540 is about 75257.1892911235. The cubic root of 5663644540 is about 1782.5100870384.

The spelling of 5663644540 in words is "five billion, six hundred sixty-three million, six hundred forty-four thousand, five hundred forty".