2042232004421 has 4 divisors (see below), whose sum is σ = 2333979433632. Its totient is φ = 1750484575212.

The previous prime is 2042232004399. The next prime is 2042232004451. The reversal of 2042232004421 is 1244002322402.

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 a de Polignac number, because none of the positive numbers 2^k-2042232004421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042232004451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145873714595 + ... + 145873714608.

It is an arithmetic number, because the mean of its divisors is an integer number (583494858408).

Almost surely, 2^{2042232004421} is an apocalyptic number.

It is an amenable number.

2042232004421 is a deficient number, since it is larger than the sum of its proper divisors (291747429211).

2042232004421 is an equidigital number, since it uses as much as digits as its factorization.

2042232004421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291747429210.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 2042232004421 its reverse (1244002322402), we get a palindrome (3286234326823).

The spelling of 2042232004421 in words is "two trillion, forty-two billion, two hundred thirty-two million, four thousand, four hundred twenty-one".