105705909479 has 2 divisors, whose sum is σ = 105705909480. Its totient is φ = 105705909478.

The previous prime is 105705909443. The next prime is 105705909503. The reversal of 105705909479 is 974909507501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105705909479 - 2⁸ = 105705909223 is a prime.

It is a super-2 number, since 2×105705909479² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105705909079) 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, 52852954739 + 52852954740.

It is an arithmetic number, because the mean of its divisors is an integer number (52852954740).

Almost surely, 2^105705909479 is an apocalyptic number.

105705909479 is a deficient number, since it is larger than the sum of its proper divisors (1).

105705909479 is an equidigital number, since it uses as much as digits as its factorization.

105705909479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3572100, while the sum is 56.

The spelling of 105705909479 in words is "one hundred five billion, seven hundred five million, nine hundred nine thousand, four hundred seventy-nine".