3563243421 has 16 divisors (see below), whose sum is σ = 4959843840. Its totient is φ = 2271164720.

The previous prime is 3563243419. The next prime is 3563243423. The reversal of 3563243421 is 1243423653.

It is a happy number.

3563243421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3563243419) and next prime (3563243423).

It is a cyclic number.

It is not a de Polignac number, because 3563243421 - 2¹ = 3563243419 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3563243423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155650 + ... + 177068.

It is an arithmetic number, because the mean of its divisors is an integer number (309990240).

Almost surely, 2^3563243421 is an apocalyptic number.

It is an amenable number.

3563243421 is a deficient number, since it is larger than the sum of its proper divisors (1396600419).

3563243421 is a wasteful number, since it uses less digits than its factorization.

3563243421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23856.

The product of its digits is 51840, while the sum is 33.

The square root of 3563243421 is about 59692.9093025294. The cubic root of 3563243421 is about 1527.3849159745.

The spelling of 3563243421 in words is "three billion, five hundred sixty-three million, two hundred forty-three thousand, four hundred twenty-one".