2105541019 has 8 divisors (see below), whose sum is σ = 2161827360. Its totient is φ = 2049489600.

The previous prime is 2105541013. The next prime is 2105541029. The reversal of 2105541019 is 9101455012.

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 2105541019 - 2²³ = 2097152411 is a prime.

It is a super-2 number, since 2×2105541019² = 8866605965383116722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2105541013) 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 7 ways as a sum of consecutive naturals, for example, 40492 + ... + 76489.

It is an arithmetic number, because the mean of its divisors is an integer number (270228420).

Almost surely, 2^2105541019 is an apocalyptic number.

2105541019 is a deficient number, since it is larger than the sum of its proper divisors (56286341).

2105541019 is a wasteful number, since it uses less digits than its factorization.

2105541019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117461.

The product of its (nonzero) digits is 1800, while the sum is 28.

The square root of 2105541019 is about 45886.1745954051. The cubic root of 2105541019 is about 1281.7044795504.

The spelling of 2105541019 in words is "two billion, one hundred five million, five hundred forty-one thousand, nineteen".