4440133232021 has 2 divisors, whose sum is σ = 4440133232022. Its totient is φ = 4440133232020.

The previous prime is 4440133232009. The next prime is 4440133232089. The reversal of 4440133232021 is 1202323310444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4109381719921 + 330751512100 = 2027161^2 + 575110^2 .

It is a cyclic number.

It is not a de Polignac number, because 4440133232021 - 2⁶ = 4440133231957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4440133232921) 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, 2220066616010 + 2220066616011.

It is an arithmetic number, because the mean of its divisors is an integer number (2220066616011).

Almost surely, 2^{4440133232021} is an apocalyptic number.

It is an amenable number.

4440133232021 is a deficient number, since it is larger than the sum of its proper divisors (1).

4440133232021 is an equidigital number, since it uses as much as digits as its factorization.

4440133232021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 4440133232021 its reverse (1202323310444), we get a palindrome (5642456542465).

The spelling of 4440133232021 in words is "four trillion, four hundred forty billion, one hundred thirty-three million, two hundred thirty-two thousand, twenty-one".