2163442012234 has 8 divisors (see below), whose sum is σ = 3245172668388. Its totient is φ = 1081717789440.

The previous prime is 2163442012223. The next prime is 2163442012241. The reversal of 2163442012234 is 4322102443612.

It can be written as a sum of positive squares in 2 ways, for example, as 1659065074209 + 504376938025 = 1288047^2 + 710195^2 .

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 2163442012234.

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, 654487 + ... + 2180650.

Almost surely, 2^{2163442012234} is an apocalyptic number.

2163442012234 is a deficient number, since it is larger than the sum of its proper divisors (1081730656154).

2163442012234 is a wasteful number, since it uses less digits than its factorization.

2163442012234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3216680.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 2163442012234 its reverse (4322102443612), we get a palindrome (6485544455846).

The spelling of 2163442012234 in words is "two trillion, one hundred sixty-three billion, four hundred forty-two million, twelve thousand, two hundred thirty-four".