27941481618 has 8 divisors (see below), whose sum is σ = 55882963248. Its totient is φ = 9313827204.

The previous prime is 27941481611. The next prime is 27941481619. The reversal of 27941481618 is 81618414972.

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

27941481618 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (27941481611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2328456796 + ... + 2328456807.

It is an arithmetic number, because the mean of its divisors is an integer number (6985370406).

Almost surely, 2^27941481618 is an apocalyptic number.

27941481618 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

27941481618 is a wasteful number, since it uses less digits than its factorization.

27941481618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4656913608.

The product of its digits is 774144, while the sum is 51.

The spelling of 27941481618 in words is "twenty-seven billion, nine hundred forty-one million, four hundred eighty-one thousand, six hundred eighteen".