3243354661 has 4 divisors (see below), whose sum is σ = 3255687072. Its totient is φ = 3231022252.

The previous prime is 3243354659. The next prime is 3243354677. The reversal of 3243354661 is 1664533423.

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.

It is a cyclic number.

It is not a de Polignac number, because 3243354661 - 2¹ = 3243354659 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3243354661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3243354601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6165811 + ... + 6166336.

It is an arithmetic number, because the mean of its divisors is an integer number (813921768).

Almost surely, 2^3243354661 is an apocalyptic number.

It is an amenable number.

3243354661 is a deficient number, since it is larger than the sum of its proper divisors (12332411).

3243354661 is a wasteful number, since it uses less digits than its factorization.

3243354661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12332410.

The product of its digits is 155520, while the sum is 37.

The square root of 3243354661 is about 56950.4579525046. The cubic root of 3243354661 is about 1480.2377663107.

The spelling of 3243354661 in words is "three billion, two hundred forty-three million, three hundred fifty-four thousand, six hundred sixty-one".