2105403743 has 8 divisors (see below), whose sum is σ = 2233263312. Its totient is φ = 1977990016.

The previous prime is 2105403733. The next prime is 2105403763. The reversal of 2105403743 is 3473045012.

It is a happy number.

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 2105403743 - 2⁶ = 2105403679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105403733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101705 + ... + 120642.

It is an arithmetic number, because the mean of its divisors is an integer number (279157914).

Almost surely, 2^2105403743 is an apocalyptic number.

2105403743 is a deficient number, since it is larger than the sum of its proper divisors (127859569).

2105403743 is a wasteful number, since it uses less digits than its factorization.

2105403743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222921.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 2105403743 is about 45884.6787392044. The cubic root of 2105403743 is about 1281.6766243045.

Adding to 2105403743 its reverse (3473045012), we get a palindrome (5578448755).

The spelling of 2105403743 in words is "two billion, one hundred five million, four hundred three thousand, seven hundred forty-three".