3543044053321 has 2 divisors, whose sum is σ = 3543044053322. Its totient is φ = 3543044053320.

The previous prime is 3543044053313. The next prime is 3543044053327. The reversal of 3543044053321 is 1233504403453.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3510886597696 + 32157455625 = 1873736^2 + 179325^2 .

It is a cyclic number.

It is not a de Polignac number, because 3543044053321 - 2³ = 3543044053313 is a prime.

It is a super-2 number, since 2×3543044053321² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3543044053327) 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, 1771522026660 + 1771522026661.

It is an arithmetic number, because the mean of its divisors is an integer number (1771522026661).

Almost surely, 2^{3543044053321} is an apocalyptic number.

It is an amenable number.

3543044053321 is a deficient number, since it is larger than the sum of its proper divisors (1).

3543044053321 is an equidigital number, since it uses as much as digits as its factorization.

3543044053321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 259200, while the sum is 37.

Adding to 3543044053321 its reverse (1233504403453), we get a palindrome (4776548456774).

The spelling of 3543044053321 in words is "three trillion, five hundred forty-three billion, forty-four million, fifty-three thousand, three hundred twenty-one".