3424530555221 has 4 divisors (see below), whose sum is σ = 3458436798444. Its totient is φ = 3390624312000.

The previous prime is 3424530555217. The next prime is 3424530555269. The reversal of 3424530555221 is 1225550354243.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1713182560996 + 1711347994225 = 1308886^2 + 1308185^2 .

It is a cyclic number.

It is not a de Polignac number, because 3424530555221 - 2² = 3424530555217 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 (3424530555521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16953121460 + ... + 16953121661.

It is an arithmetic number, because the mean of its divisors is an integer number (864609199611).

Almost surely, 2^{3424530555221} is an apocalyptic number.

It is an amenable number.

3424530555221 is a deficient number, since it is larger than the sum of its proper divisors (33906243223).

3424530555221 is a wasteful number, since it uses less digits than its factorization.

3424530555221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33906243222.

The product of its (nonzero) digits is 720000, while the sum is 41.

The spelling of 3424530555221 in words is "three trillion, four hundred twenty-four billion, five hundred thirty million, five hundred fifty-five thousand, two hundred twenty-one".