3421522545205 has 8 divisors (see below), whose sum is σ = 4105850916312. Its totient is φ = 2737202128128.

The previous prime is 3421522545157. The next prime is 3421522545209. The reversal of 3421522545205 is 5025452251243.

It can be written as a sum of positive squares in 4 ways, for example, as 151508556081 + 3270013989124 = 389241^2 + 1808318^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3421522545205 - 2¹¹ = 3421522543157 is a prime.

It is a super-2 number, since 2×3421522545205² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3421522545209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 997224 + ... + 2799553.

It is an arithmetic number, because the mean of its divisors is an integer number (513231364539).

Almost surely, 2^{3421522545205} is an apocalyptic number.

It is an amenable number.

3421522545205 is a deficient number, since it is larger than the sum of its proper divisors (684328371107).

3421522545205 is a wasteful number, since it uses less digits than its factorization.

3421522545205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3977015.

The product of its (nonzero) digits is 480000, while the sum is 40.

Adding to 3421522545205 its reverse (5025452251243), we get a palindrome (8446974796448).

The spelling of 3421522545205 in words is "three trillion, four hundred twenty-one billion, five hundred twenty-two million, five hundred forty-five thousand, two hundred five".