3243605453 has 4 divisors (see below), whose sum is σ = 3538478688. Its totient is φ = 2948732220.

The previous prime is 3243605447. The next prime is 3243605461. The reversal of 3243605453 is 3545063423.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3545063423 = 11 ⋅322278493.

It is a cyclic number.

It is not a de Polignac number, because 3243605453 - 2⁴ = 3243605437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3243605413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147436601 + ... + 147436622.

It is an arithmetic number, because the mean of its divisors is an integer number (884619672).

Almost surely, 2^3243605453 is an apocalyptic number.

It is an amenable number.

3243605453 is a deficient number, since it is larger than the sum of its proper divisors (294873235).

3243605453 is a wasteful number, since it uses less digits than its factorization.

3243605453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294873234.

The product of its (nonzero) digits is 129600, while the sum is 35.

The square root of 3243605453 is about 56952.6597535181. The cubic root of 3243605453 is about 1480.2759183950.

Adding to 3243605453 its reverse (3545063423), we get a palindrome (6788668876).

The spelling of 3243605453 in words is "three billion, two hundred forty-three million, six hundred five thousand, four hundred fifty-three".