2005353253204 has 18 divisors (see below), whose sum is σ = 4082326265850. Its totient is φ = 859437108432.

The previous prime is 2005353253193. The next prime is 2005353253213. The reversal of 2005353253204 is 4023523535002.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1521897257104 + 483455996100 = 1233652^2 + 695310^2 .

It is a super-2 number, since 2×2005353253204² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2005353253204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5115696879 + ... + 5115697270.

Almost surely, 2^{2005353253204} is an apocalyptic number.

It is an amenable number.

2005353253204 is an abundant number, since it is smaller than the sum of its proper divisors (2076973012646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2005353253204 is a wasteful number, since it uses less digits than its factorization.

2005353253204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10231394167 (or 10231394158 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 34.

Adding to 2005353253204 its reverse (4023523535002), we get a palindrome (6028876788206).

The spelling of 2005353253204 in words is "two trillion, five billion, three hundred fifty-three million, two hundred fifty-three thousand, two hundred four".