2105433205 has 8 divisors (see below), whose sum is σ = 2613641400. Its totient is φ = 1626265536.

The previous prime is 2105433191. The next prime is 2105433227. The reversal of 2105433205 is 5023345012.

It can be written as a sum of positive squares in 4 ways, for example, as 790790641 + 1314642564 = 28121^2 + 36258^2 .

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 2105433205 - 2¹³ = 2105425013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2105433205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7259970 + ... + 7260259.

It is an arithmetic number, because the mean of its divisors is an integer number (326705175).

Almost surely, 2^2105433205 is an apocalyptic number.

It is an amenable number.

2105433205 is a deficient number, since it is larger than the sum of its proper divisors (508208195).

2105433205 is a wasteful number, since it uses less digits than its factorization.

2105433205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14520263.

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

The square root of 2105433205 is about 45884.9997820639. Note that the first 3 decimals coincide. The cubic root of 2105433205 is about 1281.6826026639.

Adding to 2105433205 its reverse (5023345012), we get a palindrome (7128778217).

The spelling of 2105433205 in words is "two billion, one hundred five million, four hundred thirty-three thousand, two hundred five".