3868069218 has 64 divisors (see below), whose sum is σ = 8418127872. Its totient is φ = 1177830720.

The previous prime is 3868069189. The next prime is 3868069243. The reversal of 3868069218 is 8129608683.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3902703 + ... + 3903693.

It is an arithmetic number, because the mean of its divisors is an integer number (131533248).

Almost surely, 2^3868069218 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3868069218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4209063936).

3868069218 is an abundant number, since it is smaller than the sum of its proper divisors (4550058654).

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

3868069218 is a wasteful number, since it uses less digits than its factorization.

3868069218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479.

The product of its (nonzero) digits is 995328, while the sum is 51.

The square root of 3868069218 is about 62193.8036945804. The cubic root of 3868069218 is about 1569.7533275757.

The spelling of 3868069218 in words is "three billion, eight hundred sixty-eight million, sixty-nine thousand, two hundred eighteen".