105606640829 has 4 divisors (see below), whose sum is σ = 105629015100. Its totient is φ = 105584266560.

The previous prime is 105606640819. The next prime is 105606640873. The reversal of 105606640829 is 928046606501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 41088100804 + 64518540025 = 202702^2 + 254005^2 .

It is a cyclic number.

It is not a de Polignac number, because 105606640829 - 2²⁸ = 105338205373 is a prime.

It is a super-2 number, since 2×105606640829² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105606640819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11180054 + ... + 11189495.

It is an arithmetic number, because the mean of its divisors is an integer number (26407253775).

Almost surely, 2^105606640829 is an apocalyptic number.

It is an amenable number.

105606640829 is a deficient number, since it is larger than the sum of its proper divisors (22374271).

105606640829 is an equidigital number, since it uses as much as digits as its factorization.

105606640829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22374270.

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 105606640829 in words is "one hundred five billion, six hundred six million, six hundred forty thousand, eight hundred twenty-nine".