3905218742 has 8 divisors (see below), whose sum is σ = 5888180136. Its totient is φ = 1942492032.

The previous prime is 3905218721. The next prime is 3905218777. The reversal of 3905218742 is 2478125093.

3905218742 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.

It is a self number, because there is not a number n which added to its sum of digits gives 3905218742.

It is a congruent number.

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, 5058188 + ... + 5058959.

It is an arithmetic number, because the mean of its divisors is an integer number (736022517).

Almost surely, 2^3905218742 is an apocalyptic number.

3905218742 is a deficient number, since it is larger than the sum of its proper divisors (1982961394).

3905218742 is a wasteful number, since it uses less digits than its factorization.

3905218742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10117342.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 3905218742 is about 62491.7493914197. The cubic root of 3905218742 is about 1574.7627077800.

The spelling of 3905218742 in words is "three billion, nine hundred five million, two hundred eighteen thousand, seven hundred forty-two".