3989700436218 has 48 divisors (see below), whose sum is σ = 9828169634304. Its totient is φ = 1072860620160.

The previous prime is 3989700436171. The next prime is 3989700436223. The reversal of 3989700436218 is 8126340079893.

It is a super-2 number, since 2×3989700436218² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 399124698 + ... + 399134693.

It is an arithmetic number, because the mean of its divisors is an integer number (204753534048).

Almost surely, 2^{3989700436218} is an apocalyptic number.

3989700436218 is an abundant number, since it is smaller than the sum of its proper divisors (5838469198086).

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

3989700436218 is a wasteful number, since it uses less digits than its factorization.

3989700436218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798259427 (or 798259420 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 60.

The spelling of 3989700436218 in words is "three trillion, nine hundred eighty-nine billion, seven hundred million, four hundred thirty-six thousand, two hundred eighteen".