3440543321 has 2 divisors, whose sum is σ = 3440543322. Its totient is φ = 3440543320.

The previous prime is 3440543279. The next prime is 3440543341. The reversal of 3440543321 is 1233450443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3162487696 + 278055625 = 56236^2 + 16675^2 .

It is an emirp because it is prime and its reverse (1233450443) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3440543321 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3440543341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1720271660 + 1720271661.

It is an arithmetic number, because the mean of its divisors is an integer number (1720271661).

Almost surely, 2^3440543321 is an apocalyptic number.

It is an amenable number.

3440543321 is a deficient number, since it is larger than the sum of its proper divisors (1).

3440543321 is an equidigital number, since it uses as much as digits as its factorization.

3440543321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 3440543321 is about 58656.1447846686. The cubic root of 3440543321 is about 1509.6479335039.

Adding to 3440543321 its reverse (1233450443), we get a palindrome (4673993764).

The spelling of 3440543321 in words is "three billion, four hundred forty million, five hundred forty-three thousand, three hundred twenty-one".