2442332332421 has 2 divisors, whose sum is σ = 2442332332422. Its totient is φ = 2442332332420.

The previous prime is 2442332332403. The next prime is 2442332332457. The reversal of 2442332332421 is 1242332332442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1434818269921 + 1007514062500 = 1197839^2 + 1003750^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2442332332421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2442332332471) 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 as a sum of consecutive naturals, namely, 1221166166210 + 1221166166211.

It is an arithmetic number, because the mean of its divisors is an integer number (1221166166211).

Almost surely, 2^{2442332332421} is an apocalyptic number.

It is an amenable number.

2442332332421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2442332332421 is an equidigital number, since it uses as much as digits as its factorization.

2442332332421 is an odious number, because the sum of its binary digits is odd.

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

Adding to 2442332332421 its reverse (1242332332442), we get a palindrome (3684664664863).

The spelling of 2442332332421 in words is "two trillion, four hundred forty-two billion, three hundred thirty-two million, three hundred thirty-two thousand, four hundred twenty-one".