3421530205 has 16 divisors (see below), whose sum is σ = 4255799040. Its totient is φ = 2638988352.

The previous prime is 3421530191. The next prime is 3421530223. The reversal of 3421530205 is 5020351243.

It is a cyclic number.

It is not a de Polignac number, because 3421530205 - 2²⁹ = 2884659293 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3421530205.

It is a congruent number.

It is an unprimeable number.

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, 92910 + ... + 124399.

It is an arithmetic number, because the mean of its divisors is an integer number (265987440).

Almost surely, 2^3421530205 is an apocalyptic number.

It is an amenable number.

3421530205 is a deficient number, since it is larger than the sum of its proper divisors (834268835).

3421530205 is a wasteful number, since it uses less digits than its factorization.

3421530205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217428.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 3421530205 is about 58493.8475824595. The cubic root of 3421530205 is about 1506.8619251590.

Adding to 3421530205 its reverse (5020351243), we get a palindrome (8441881448).

The spelling of 3421530205 in words is "three billion, four hundred twenty-one million, five hundred thirty thousand, two hundred five".