2105305459 has 2 divisors, whose sum is σ = 2105305460. Its totient is φ = 2105305458.

The previous prime is 2105305453. The next prime is 2105305463. The reversal of 2105305459 is 9545035012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2105305459 - 2⁹ = 2105304947 is a prime.

It is a super-2 number, since 2×2105305459² = 8864622151390401362, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2105305453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052652729 + 1052652730.

It is an arithmetic number, because the mean of its divisors is an integer number (1052652730).

Almost surely, 2^2105305459 is an apocalyptic number.

2105305459 is a deficient number, since it is larger than the sum of its proper divisors (1).

2105305459 is an equidigital number, since it uses as much as digits as its factorization.

2105305459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 2105305459 is about 45883.6077374044. The cubic root of 2105305459 is about 1281.6566803443.

The spelling of 2105305459 in words is "two billion, one hundred five million, three hundred five thousand, four hundred fifty-nine".