3918795988242 has 16 divisors (see below), whose sum is σ = 7837763775552. Its totient is φ = 1306236696240.

The previous prime is 3918795988213. The next prime is 3918795988243. The reversal of 3918795988242 is 2428895978193.

It is not an unprimeable number, because it can be changed into a prime (3918795988243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6860809 + ... + 7410012.

It is an arithmetic number, because the mean of its divisors is an integer number (489860235972).

Almost surely, 2^{3918795988242} is an apocalyptic number.

3918795988242 is an abundant number, since it is smaller than the sum of its proper divisors (3918967787310).

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

3918795988242 is a wasteful number, since it uses less digits than its factorization.

3918795988242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14316593.

The product of its digits is 627056640, while the sum is 75.

The spelling of 3918795988242 in words is "three trillion, nine hundred eighteen billion, seven hundred ninety-five million, nine hundred eighty-eight thousand, two hundred forty-two".