21363425310041 has 2 divisors, whose sum is σ = 21363425310042. Its totient is φ = 21363425310040.

The previous prime is 21363425309999. The next prime is 21363425310043. The reversal of 21363425310041 is 14001352436312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21360110890000 + 3314420041 = 4621700^2 + 57571^2 .

It is a cyclic number.

It is not a de Polignac number, because 21363425310041 - 2²² = 21363421115737 is a prime.

Together with 21363425310043, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 21363425309983 and 21363425310010.

It is not a weakly prime, because it can be changed into another prime (21363425310043) 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, 10681712655020 + 10681712655021.

It is an arithmetic number, because the mean of its divisors is an integer number (10681712655021).

Almost surely, 2^{21363425310041} is an apocalyptic number.

It is an amenable number.

21363425310041 is a deficient number, since it is larger than the sum of its proper divisors (1).

21363425310041 is an equidigital number, since it uses as much as digits as its factorization.

21363425310041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 35.

Adding to 21363425310041 its reverse (14001352436312), we get a palindrome (35364777746353).

The spelling of 21363425310041 in words is "twenty-one trillion, three hundred sixty-three billion, four hundred twenty-five million, three hundred ten thousand, forty-one".