2021424204343 has 8 divisors (see below), whose sum is σ = 2132148597120. Its totient is φ = 1911133176120.

The previous prime is 2021424204337. The next prime is 2021424204347. The reversal of 2021424204343 is 3434024241202.

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 2021424204343 - 2⁹ = 2021424203831 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 (2021424204347) 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, 108331555 + ... + 108350212.

It is an arithmetic number, because the mean of its divisors is an integer number (266518574640).

Almost surely, 2^{2021424204343} is an apocalyptic number.

2021424204343 is a deficient number, since it is larger than the sum of its proper divisors (110724392777).

2021424204343 is a wasteful number, since it uses less digits than its factorization.

2021424204343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216682277.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 2021424204343 its reverse (3434024241202), we get a palindrome (5455448445545).

The spelling of 2021424204343 in words is "two trillion, twenty-one billion, four hundred twenty-four million, two hundred four thousand, three hundred forty-three".