2105350243 has 2 divisors, whose sum is σ = 2105350244. Its totient is φ = 2105350242.

The previous prime is 2105350231. The next prime is 2105350249. The reversal of 2105350243 is 3420535012.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2105350243 is a prime.

It is not a weakly prime, because it can be changed into another prime (2105350249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052675121 + 1052675122.

It is an arithmetic number, because the mean of its divisors is an integer number (1052675122).

Almost surely, 2^2105350243 is an apocalyptic number.

2105350243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2105350243 is an equidigital number, since it uses as much as digits as its factorization.

2105350243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 2105350243 is about 45884.0957522321. The cubic root of 2105350243 is about 1281.6657680685.

Adding to 2105350243 its reverse (3420535012), we get a palindrome (5525885255).

The spelling of 2105350243 in words is "two billion, one hundred five million, three hundred fifty thousand, two hundred forty-three".