2105554193 has 16 divisors (see below), whose sum is σ = 2380700160. Its totient is φ = 1851628800.

The previous prime is 2105554177. The next prime is 2105554201. The reversal of 2105554193 is 3914555012.

It is a cyclic number.

It is not a de Polignac number, because 2105554193 - 2⁴ = 2105554177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2105554093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53603 + ... + 84168.

It is an arithmetic number, because the mean of its divisors is an integer number (148793760).

Almost surely, 2^2105554193 is an apocalyptic number.

It is an amenable number.

2105554193 is a deficient number, since it is larger than the sum of its proper divisors (275145967).

2105554193 is a wasteful number, since it uses less digits than its factorization.

2105554193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137848.

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 2105554193 is about 45886.3181460444. The cubic root of 2105554193 is about 1281.7071526780.

The spelling of 2105554193 in words is "two billion, one hundred five million, five hundred fifty-four thousand, one hundred ninety-three".