21334034041 has 2 divisors, whose sum is σ = 21334034042. Its totient is φ = 21334034040.

The previous prime is 21334034039. The next prime is 21334034053. The reversal of 21334034041 is 14043043312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15420424041 + 5913610000 = 124179^2 + 76900^2 .

It is a cyclic number.

It is not a de Polignac number, because 21334034041 - 2¹ = 21334034039 is a prime.

Together with 21334034039, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 21334033997 and 21334034015.

It is not a weakly prime, because it can be changed into another prime (21334034011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10667017020 + 10667017021.

It is an arithmetic number, because the mean of its divisors is an integer number (10667017021).

Almost surely, 2^21334034041 is an apocalyptic number.

It is an amenable number.

21334034041 is a deficient number, since it is larger than the sum of its proper divisors (1).

21334034041 is an equidigital number, since it uses as much as digits as its factorization.

21334034041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 21334034041 its reverse (14043043312), we get a palindrome (35377077353).

It can be divided in two parts, 2133403 and 4041, that added together give a square (2137444 = 1462²).

The spelling of 21334034041 in words is "twenty-one billion, three hundred thirty-four million, thirty-four thousand, forty-one".