2021424243 has 8 divisors (see below), whose sum is σ = 2709344256. Its totient is φ = 1340560200.

The previous prime is 2021424241. The next prime is 2021424257. The reversal of 2021424243 is 3424241202.

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

It is not a de Polignac number, because 2021424243 - 2¹ = 2021424241 is a prime.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (2021424241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1763323 + ... + 1764468.

It is an arithmetic number, because the mean of its divisors is an integer number (338668032).

Almost surely, 2^2021424243 is an apocalyptic number.

2021424243 is a deficient number, since it is larger than the sum of its proper divisors (687920013).

2021424243 is a wasteful number, since it uses less digits than its factorization.

2021424243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3527985.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 2021424243 is about 44960.2518120172. The cubic root of 2021424243 is about 1264.4038900091.

Adding to 2021424243 its reverse (3424241202), we get a palindrome (5445665445).

The spelling of 2021424243 in words is "two billion, twenty-one million, four hundred twenty-four thousand, two hundred forty-three".