4427992818212 has 12 divisors (see below), whose sum is σ = 7749982349340. Its totient is φ = 2213712146976.

The previous prime is 4427992818203. The next prime is 4427992818239. The reversal of 4427992818212 is 2128182997244.

It can be written as a sum of positive squares in 2 ways, for example, as 2079087145216 + 2348905672996 = 1441904^2 + 1532614^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71030483 + ... + 71092794.

It is an arithmetic number, because the mean of its divisors is an integer number (645831862445).

Almost surely, 2^{4427992818212} is an apocalyptic number.

It is an amenable number.

4427992818212 is a deficient number, since it is larger than the sum of its proper divisors (3321989531128).

4427992818212 is a wasteful number, since it uses less digits than its factorization.

4427992818212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142131070 (or 142131068 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 59.

The spelling of 4427992818212 in words is "four trillion, four hundred twenty-seven billion, nine hundred ninety-two million, eight hundred eighteen thousand, two hundred twelve".