2042433343421 has 32 divisors (see below), whose sum is σ = 2216759529600. Its totient is φ = 1875534151680.

The previous prime is 2042433343417. The next prime is 2042433343429. The reversal of 2042433343421 is 1243433342402.

It is a cyclic number.

It is not a de Polignac number, because 2042433343421 - 2² = 2042433343417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042433343429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56463581 + ... + 56499741.

It is an arithmetic number, because the mean of its divisors is an integer number (69273735300).

Almost surely, 2^{2042433343421} is an apocalyptic number.

It is an amenable number.

2042433343421 is a deficient number, since it is larger than the sum of its proper divisors (174326186179).

2042433343421 is a wasteful number, since it uses less digits than its factorization.

2042433343421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36749.

The product of its (nonzero) digits is 165888, while the sum is 35.

Adding to 2042433343421 its reverse (1243433342402), we get a palindrome (3285866685823).

The spelling of 2042433343421 in words is "two trillion, forty-two billion, four hundred thirty-three million, three hundred forty-three thousand, four hundred twenty-one".