42747684618 has 8 divisors (see below), whose sum is σ = 85495369248. Its totient is φ = 14249228204.

The previous prime is 42747684613. The next prime is 42747684647. The reversal of 42747684618 is 81648674724.

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

42747684618 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42747684613) 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, 3562307046 + ... + 3562307057.

It is an arithmetic number, because the mean of its divisors is an integer number (10686921156).

Almost surely, 2^42747684618 is an apocalyptic number.

42747684618 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.

42747684618 is a wasteful number, since it uses less digits than its factorization.

42747684618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7124614108.

The product of its digits is 14450688, while the sum is 57.

The spelling of 42747684618 in words is "forty-two billion, seven hundred forty-seven million, six hundred eighty-four thousand, six hundred eighteen".