21410324120417 has 2 divisors, whose sum is σ = 21410324120418. Its totient is φ = 21410324120416.

The previous prime is 21410324120401. The next prime is 21410324120461. The reversal of 21410324120417 is 71402142301412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15933900409441 + 5476423710976 = 3991729^2 + 2340176^2 .

It is a cyclic number.

It is not a de Polignac number, because 21410324120417 - 2⁴ = 21410324120401 is a prime.

It is not a weakly prime, because it can be changed into another prime (21410324120117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10705162060208 + 10705162060209.

It is an arithmetic number, because the mean of its divisors is an integer number (10705162060209).

Almost surely, 2^{21410324120417} is an apocalyptic number.

It is an amenable number.

21410324120417 is a deficient number, since it is larger than the sum of its proper divisors (1).

21410324120417 is an equidigital number, since it uses as much as digits as its factorization.

21410324120417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 32.

Adding to 21410324120417 its reverse (71402142301412), we get a palindrome (92812466421829).

The spelling of 21410324120417 in words is "twenty-one trillion, four hundred ten billion, three hundred twenty-four million, one hundred twenty thousand, four hundred seventeen".