2042333421 has 4 divisors (see below), whose sum is σ = 2723111232. Its totient is φ = 1361555612.

The previous prime is 2042333399. The next prime is 2042333509. The reversal of 2042333421 is 1243332402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2042333421 - 2²⁶ = 1975224557 is a prime.

It is a super-2 number, since 2×2042333421² = 8342251605067126482, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2042333391 and 2042333400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042333021) 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 3 ways as a sum of consecutive naturals, for example, 340388901 + ... + 340388906.

It is an arithmetic number, because the mean of its divisors is an integer number (680777808).

Almost surely, 2^2042333421 is an apocalyptic number.

It is an amenable number.

2042333421 is a deficient number, since it is larger than the sum of its proper divisors (680777811).

2042333421 is an equidigital number, since it uses as much as digits as its factorization.

2042333421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680777810.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 2042333421 is about 45192.1831847057. The cubic root of 2042333421 is about 1268.7485183446.

Adding to 2042333421 its reverse (1243332402), we get a palindrome (3285665823).

The spelling of 2042333421 in words is "two billion, forty-two million, three hundred thirty-three thousand, four hundred twenty-one".