21441210337 has 2 divisors, whose sum is σ = 21441210338. Its totient is φ = 21441210336.

The previous prime is 21441210331. The next prime is 21441210341. The reversal of 21441210337 is 73301214412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16603868736 + 4837341601 = 128856^2 + 69551^2 .

It is a cyclic number.

It is not a de Polignac number, because 21441210337 - 2⁷ = 21441210209 is a prime.

It is not a weakly prime, because it can be changed into another prime (21441210331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10720605168 + 10720605169.

It is an arithmetic number, because the mean of its divisors is an integer number (10720605169).

Almost surely, 2^21441210337 is an apocalyptic number.

It is an amenable number.

21441210337 is a deficient number, since it is larger than the sum of its proper divisors (1).

21441210337 is an equidigital number, since it uses as much as digits as its factorization.

21441210337 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 28.

Adding to 21441210337 its reverse (73301214412), we get a palindrome (94742424749).

The spelling of 21441210337 in words is "twenty-one billion, four hundred forty-one million, two hundred ten thousand, three hundred thirty-seven".