2104453305 has 20 divisors (see below), whose sum is σ = 3772428132. Its totient is φ = 1122374880.

The previous prime is 2104453303. The next prime is 2104453343. The reversal of 2104453305 is 5033544012.

2104453305 is a `hidden beast` number, since 210 + 445 + 3 + 3 + 0 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 668119104 + 1436334201 = 25848^2 + 37899^2 .

It is not a de Polignac number, because 2104453305 - 2¹ = 2104453303 is a prime.

It is a super-3 number, since 3×2104453305³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2104453303) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2597686 + ... + 2598495.

Almost surely, 2^2104453305 is an apocalyptic number.

It is an amenable number.

2104453305 is a deficient number, since it is larger than the sum of its proper divisors (1667974827).

2104453305 is an equidigital number, since it uses as much as digits as its factorization.

2104453305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5196198 (or 5196189 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 2104453305 is about 45874.3207579142. The cubic root of 2104453305 is about 1281.4837337453.

Adding to 2104453305 its reverse (5033544012), we get a palindrome (7137997317).

The spelling of 2104453305 in words is "two billion, one hundred four million, four hundred fifty-three thousand, three hundred five".