2105850413 has 2 divisors, whose sum is σ = 2105850414. Its totient is φ = 2105850412.

The previous prime is 2105850407. The next prime is 2105850419. The reversal of 2105850413 is 3140585012.

It is a balanced prime because it is at equal distance from previous prime (2105850407) and next prime (2105850419).

It can be written as a sum of positive squares in only one way, i.e., 1525136809 + 580713604 = 39053^2 + 24098^2 .

It is a cyclic number.

It is not a de Polignac number, because 2105850413 - 2¹⁸ = 2105588269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2105850419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052925206 + 1052925207.

It is an arithmetic number, because the mean of its divisors is an integer number (1052925207).

Almost surely, 2^2105850413 is an apocalyptic number.

It is an amenable number.

2105850413 is a deficient number, since it is larger than the sum of its proper divisors (1).

2105850413 is an equidigital number, since it uses as much as digits as its factorization.

2105850413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 2105850413 is about 45889.5457920429. The cubic root of 2105850413 is about 1281.7672555385.

The spelling of 2105850413 in words is "two billion, one hundred five million, eight hundred fifty thousand, four hundred thirteen".