21443532334010 has 32 divisors (see below), whose sum is σ = 38742000725520. Its totient is φ = 8545499246592.

The previous prime is 21443532333967. The next prime is 21443532334019. The reversal of 21443532334010 is 1043323534412.

It can be written as a sum of positive squares in 8 ways, for example, as 3876846798841 + 17566685535169 = 1968971^2 + 4191263^2 .

It is not an unprimeable number, because it can be changed into a prime (21443532334019) 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 in 15 ways as a sum of consecutive naturals, for example, 24807002 + ... + 25656858.

Almost surely, 2^{21443532334010} is an apocalyptic number.

21443532334010 is a deficient number, since it is larger than the sum of its proper divisors (17298468391510).

21443532334010 is a wasteful number, since it uses less digits than its factorization.

21443532334010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859250.

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 21443532334010 its reverse (1043323534412), we get a palindrome (22486855868422).

The spelling of 21443532334010 in words is "twenty-one trillion, four hundred forty-three billion, five hundred thirty-two million, three hundred thirty-four thousand, ten".