4049171538018 has 8 divisors (see below), whose sum is σ = 8098343076048. Its totient is φ = 1349723846004.

The previous prime is 4049171538017. The next prime is 4049171538031. The reversal of 4049171538018 is 8108351719404.

4049171538018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

4049171538018 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (4049171538017) 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, 337430961496 + ... + 337430961507.

It is an arithmetic number, because the mean of its divisors is an integer number (1012292884506).

Almost surely, 2^{4049171538018} is an apocalyptic number.

4049171538018 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.

4049171538018 is a wasteful number, since it uses less digits than its factorization.

4049171538018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674861923008.

The product of its (nonzero) digits is 967680, while the sum is 51.

The spelling of 4049171538018 in words is "four trillion, forty-nine billion, one hundred seventy-one million, five hundred thirty-eight thousand, eighteen".