2442430042021 has 8 divisors (see below), whose sum is σ = 2590062749784. Its totient is φ = 2295237373440.

The previous prime is 2442430041979. The next prime is 2442430042051. The reversal of 2442430042021 is 1202400342442.

2442430042021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 167596896996 + 2274833145025 = 409386^2 + 1508255^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2442430042021 - 2⁷ = 2442430041893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2442430042051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109998360 + ... + 110020561.

It is an arithmetic number, because the mean of its divisors is an integer number (323757843723).

Almost surely, 2^{2442430042021} is an apocalyptic number.

It is an amenable number.

2442430042021 is a deficient number, since it is larger than the sum of its proper divisors (147632707763).

2442430042021 is a wasteful number, since it uses less digits than its factorization.

2442430042021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220019591.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 2442430042021 its reverse (1202400342442), we get a palindrome (3644830384463).

The spelling of 2442430042021 in words is "two trillion, four hundred forty-two billion, four hundred thirty million, forty-two thousand, twenty-one".