2142430044242 has 8 divisors (see below), whose sum is σ = 3218658555132. Its totient is φ = 1069543859200.

The previous prime is 2142430044241. The next prime is 2142430044253. The reversal of 2142430044242 is 2424400342412.

It can be written as a sum of positive squares in 2 ways, for example, as 2135225260081 + 7204784161 = 1461241^2 + 84881^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2142430044199 and 2142430044208.

It is not an unprimeable number, because it can be changed into a prime (2142430044241) by changing a digit.

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, 835579859 + ... + 835582422.

Almost surely, 2^{2142430044242} is an apocalyptic number.

2142430044242 is a deficient number, since it is larger than the sum of its proper divisors (1076228510890).

2142430044242 is a wasteful number, since it uses less digits than its factorization.

2142430044242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671162924.

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 2142430044242 its reverse (2424400342412), we get a palindrome (4566830386654).

The spelling of 2142430044242 in words is "two trillion, one hundred forty-two billion, four hundred thirty million, forty-four thousand, two hundred forty-two".