3243454345513 has 12 divisors (see below), whose sum is σ = 3475959712380. Its totient is φ = 3025648166912.

The previous prime is 3243454345511. The next prime is 3243454345543. The reversal of 3243454345513 is 3155434543423.

It can be written as a sum of positive squares in 6 ways, for example, as 421820373529 + 2821633971984 = 649477^2 + 1679772^2 .

It is not a de Polignac number, because 3243454345513 - 2¹ = 3243454345511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3243454345511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49626748 + ... + 49692061.

It is an arithmetic number, because the mean of its divisors is an integer number (289663309365).

Almost surely, 2^{3243454345513} is an apocalyptic number.

It is an amenable number.

3243454345513 is a deficient number, since it is larger than the sum of its proper divisors (232505366867).

3243454345513 is a wasteful number, since it uses less digits than its factorization.

3243454345513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99318956 (or 99318939 counting only the distinct ones).

The product of its digits is 5184000, while the sum is 46.

Adding to 3243454345513 its reverse (3155434543423), we get a palindrome (6398888888936).

The spelling of 3243454345513 in words is "three trillion, two hundred forty-three billion, four hundred fifty-four million, three hundred forty-five thousand, five hundred thirteen".