21244300300337 has 2 divisors, whose sum is σ = 21244300300338. Its totient is φ = 21244300300336.

The previous prime is 21244300300283. The next prime is 21244300300409. The reversal of 21244300300337 is 73300300344212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19942690844176 + 1301609456161 = 4465724^2 + 1140881^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21244300300337 is a prime.

It is not a weakly prime, because it can be changed into another prime (21244300306337) 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, 10622150150168 + 10622150150169.

It is an arithmetic number, because the mean of its divisors is an integer number (10622150150169).

Almost surely, 2^{21244300300337} is an apocalyptic number.

It is an amenable number.

21244300300337 is a deficient number, since it is larger than the sum of its proper divisors (1).

21244300300337 is an equidigital number, since it uses as much as digits as its factorization.

21244300300337 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 32.

Adding to 21244300300337 its reverse (73300300344212), we get a palindrome (94544600644549).

The spelling of 21244300300337 in words is "twenty-one trillion, two hundred forty-four billion, three hundred million, three hundred thousand, three hundred thirty-seven".