2105543410 has 16 divisors (see below), whose sum is σ = 3817644696. Its totient is φ = 836069248.

The previous prime is 2105543389. The next prime is 2105543417. The reversal of 2105543410 is 143455012.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2087301969 + 18241441 = 45687^2 + 4271^2 .

It is not an unprimeable number, because it can be changed into a prime (2105543417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 767077 + ... + 769816.

Almost surely, 2^2105543410 is an apocalyptic number.

2105543410 is a deficient number, since it is larger than the sum of its proper divisors (1712101286).

2105543410 is a wasteful number, since it uses less digits than its factorization.

2105543410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1537037.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2105543410 is about 45886.2006489969. The cubic root of 2105543410 is about 1281.7049647074.

Adding to 2105543410 its reverse (143455012), we get a palindrome (2248998422).

The spelling of 2105543410 in words is "two billion, one hundred five million, five hundred forty-three thousand, four hundred ten".