2106288205 has 16 divisors (see below), whose sum is σ = 2915130240. Its totient is φ = 1431058752.

The previous prime is 2106288161. The next prime is 2106288251. The reversal of 2106288205 is 5028826012.

It is a cyclic number.

It is not a de Polignac number, because 2106288205 - 2⁷ = 2106288077 is a prime.

It is a super-3 number, since 3×2106288205³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272239 + ... + 279868.

It is an arithmetic number, because the mean of its divisors is an integer number (182195640).

Almost surely, 2^2106288205 is an apocalyptic number.

It is an amenable number.

2106288205 is a deficient number, since it is larger than the sum of its proper divisors (808842035).

2106288205 is a wasteful number, since it uses less digits than its factorization.

2106288205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552228.

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 2106288205 is about 45894.3156066195. The cubic root of 2106288205 is about 1281.8560729532.

The spelling of 2106288205 in words is "two billion, one hundred six million, two hundred eighty-eight thousand, two hundred five".