13442033021 has 2 divisors, whose sum is σ = 13442033022. Its totient is φ = 13442033020.

The previous prime is 13442032997. The next prime is 13442033069. The reversal of 13442033021 is 12033024431.

13442033021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10739176900 + 2702856121 = 103630^2 + 51989^2 .

It is a cyclic number.

It is not a de Polignac number, because 13442033021 - 2¹⁸ = 13441770877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13442033081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6721016510 + 6721016511.

It is an arithmetic number, because the mean of its divisors is an integer number (6721016511).

Almost surely, 2^13442033021 is an apocalyptic number.

It is an amenable number.

13442033021 is a deficient number, since it is larger than the sum of its proper divisors (1).

13442033021 is an equidigital number, since it uses as much as digits as its factorization.

13442033021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 13442033021 its reverse (12033024431), we get a palindrome (25475057452).

The spelling of 13442033021 in words is "thirteen billion, four hundred forty-two million, thirty-three thousand, twenty-one".