43421110224353 has 2 divisors, whose sum is σ = 43421110224354. Its totient is φ = 43421110224352.

The previous prime is 43421110224347. The next prime is 43421110224403. The reversal of 43421110224353 is 35342201112434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34930605884944 + 8490504339409 = 5910212^2 + 2913847^2 .

It is a cyclic number.

It is not a de Polignac number, because 43421110224353 - 2²⁸ = 43420841788897 is a prime.

It is not a weakly prime, because it can be changed into another prime (43421110224253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21710555112176 + 21710555112177.

It is an arithmetic number, because the mean of its divisors is an integer number (21710555112177).

Almost surely, 2^{43421110224353} is an apocalyptic number.

It is an amenable number.

43421110224353 is a deficient number, since it is larger than the sum of its proper divisors (1).

43421110224353 is an equidigital number, since it uses as much as digits as its factorization.

43421110224353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 43421110224353 its reverse (35342201112434), we get a palindrome (78763311336787).

The spelling of 43421110224353 in words is "forty-three trillion, four hundred twenty-one billion, one hundred ten million, two hundred twenty-four thousand, three hundred fifty-three".