3865011002218 has 8 divisors (see below), whose sum is σ = 5797524999780. Its totient is φ = 1932502668960.

The previous prime is 3865011002213. The next prime is 3865011002219. The reversal of 3865011002218 is 8122001105683.

It can be written as a sum of positive squares in 2 ways, for example, as 3856655762569 + 8355239649 = 1963837^2 + 91407^2 .

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

It is not an unprimeable number, because it can be changed into a prime (3865011002213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1449748 + ... + 3135568.

Almost surely, 2^{3865011002218} is an apocalyptic number.

3865011002218 is a deficient number, since it is larger than the sum of its proper divisors (1932513997562).

3865011002218 is a wasteful number, since it uses less digits than its factorization.

3865011002218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2832152.

The product of its (nonzero) digits is 23040, while the sum is 37.

The spelling of 3865011002218 in words is "three trillion, eight hundred sixty-five billion, eleven million, two thousand, two hundred eighteen".