2443420243442 has 4 divisors (see below), whose sum is σ = 3665130365166. Its totient is φ = 1221710121720.

The previous prime is 2443420243423. The next prime is 2443420243487.

It is a happy number.

2443420243442 is nontrivially palindromic in base 10.

2443420243442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1239701869561 + 1203718373881 = 1113419^2 + 1097141^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2443420243396 and 2443420243405.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610855060859 + ... + 610855060862.

Almost surely, 2^{2443420243442} is an apocalyptic number.

2443420243442 is a deficient number, since it is larger than the sum of its proper divisors (1221710121724).

2443420243442 is a wasteful number, since it uses less digits than its factorization.

2443420243442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221710121723.

The product of its (nonzero) digits is 589824, while the sum is 38.

It can be divided in two parts, 2443420 and 243442, that added together give a palindrome (2686862).

The spelling of 2443420243442 in words is "two trillion, four hundred forty-three billion, four hundred twenty million, two hundred forty-three thousand, four hundred forty-two".