21033413341 has 2 divisors, whose sum is σ = 21033413342. Its totient is φ = 21033413340.

The previous prime is 21033413333. The next prime is 21033413363. The reversal of 21033413341 is 14331433012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21033410841 + 2500 = 145029^2 + 50^2 .

It is a cyclic number.

It is not a de Polignac number, because 21033413341 - 2³ = 21033413333 is a prime.

It is a super-3 number, since 3×21033413341³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21033413311) 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 as a sum of consecutive naturals, namely, 10516706670 + 10516706671.

It is an arithmetic number, because the mean of its divisors is an integer number (10516706671).

Almost surely, 2^21033413341 is an apocalyptic number.

It is an amenable number.

21033413341 is a deficient number, since it is larger than the sum of its proper divisors (1).

21033413341 is an equidigital number, since it uses as much as digits as its factorization.

21033413341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 21033413341 its reverse (14331433012), we get a palindrome (35364846353).

The spelling of 21033413341 in words is "twenty-one billion, thirty-three million, four hundred thirteen thousand, three hundred forty-one".