2105449255 has 16 divisors (see below), whose sum is σ = 3109587264. Its totient is φ = 1332679680.

The previous prime is 2105449249. The next prime is 2105449259. The reversal of 2105449255 is 5529445012.

It is not a de Polignac number, because 2105449255 - 2⁷ = 2105449127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105449259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2313226 + ... + 2314135.

It is an arithmetic number, because the mean of its divisors is an integer number (194349204).

Almost surely, 2^2105449255 is an apocalyptic number.

2105449255 is a deficient number, since it is larger than the sum of its proper divisors (1004138009).

2105449255 is a wasteful number, since it uses less digits than its factorization.

2105449255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4627386.

The product of its (nonzero) digits is 72000, while the sum is 37.

The square root of 2105449255 is about 45885.1746754875. The cubic root of 2105449255 is about 1281.6858594685.

The spelling of 2105449255 in words is "two billion, one hundred five million, four hundred forty-nine thousand, two hundred fifty-five".