2193628205 has 4 divisors (see below), whose sum is σ = 2632353852. Its totient is φ = 1754902560.

The previous prime is 2193628181. The next prime is 2193628211. The reversal of 2193628205 is 5028263912.

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 1036131721 + 1157496484 = 32189^2 + 34022^2 .

It is not a de Polignac number, because 2193628205 - 2⁸ = 2193627949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219362816 + ... + 219362825.

It is an arithmetic number, because the mean of its divisors is an integer number (658088463).

Almost surely, 2^2193628205 is an apocalyptic number.

It is an amenable number.

2193628205 is a deficient number, since it is larger than the sum of its proper divisors (438725647).

2193628205 is an equidigital number, since it uses as much as digits as its factorization.

2193628205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438725646.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 2193628205 is about 46836.1847827083. The cubic root of 2193628205 is about 1299.3346111636.

The spelling of 2193628205 in words is "two billion, one hundred ninety-three million, six hundred twenty-eight thousand, two hundred five".