5641543618 has 8 divisors (see below), whose sum is σ = 8735293440. Its totient is φ = 2729779140.

The previous prime is 5641543573. The next prime is 5641543637. The reversal of 5641543618 is 8163451465.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 45496258 + ... + 45496381.

It is an arithmetic number, because the mean of its divisors is an integer number (1091911680).

Almost surely, 2^5641543618 is an apocalyptic number.

5641543618 is a deficient number, since it is larger than the sum of its proper divisors (3093749822).

5641543618 is a wasteful number, since it uses less digits than its factorization.

5641543618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90992672.

The product of its digits is 345600, while the sum is 43.

The square root of 5641543618 is about 75110.2098119823. The cubic root of 5641543618 is about 1780.1884682400.

The spelling of 5641543618 in words is "five billion, six hundred forty-one million, five hundred forty-three thousand, six hundred eighteen".