2105099747 has 2 divisors, whose sum is σ = 2105099748. Its totient is φ = 2105099746.

The previous prime is 2105099729. The next prime is 2105099753. The reversal of 2105099747 is 7479905012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2105099747 - 2¹² = 2105095651 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2105099698 and 2105099707.

It is not a weakly prime, because it can be changed into another prime (2105099147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052549873 + 1052549874.

It is an arithmetic number, because the mean of its divisors is an integer number (1052549874).

Almost surely, 2^2105099747 is an apocalyptic number.

2105099747 is a deficient number, since it is larger than the sum of its proper divisors (1).

2105099747 is an equidigital number, since it uses as much as digits as its factorization.

2105099747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 158760, while the sum is 44.

The square root of 2105099747 is about 45881.3660106148. The cubic root of 2105099747 is about 1281.6149348982.

The spelling of 2105099747 in words is "two billion, one hundred five million, ninety-nine thousand, seven hundred forty-seven".