105505244869 has 2 divisors, whose sum is σ = 105505244870. Its totient is φ = 105505244868.

The previous prime is 105505244843. The next prime is 105505244879. The reversal of 105505244869 is 968442505501.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102061080900 + 3444163969 = 319470^2 + 58687^2 .

It is an emirp because it is prime and its reverse (968442505501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 105505244869 - 2²⁹ = 104968373957 is a prime.

It is a super-2 number, since 2×105505244869² (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 (105505244879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52752622434 + 52752622435.

It is an arithmetic number, because the mean of its divisors is an integer number (52752622435).

Almost surely, 2^105505244869 is an apocalyptic number.

It is an amenable number.

105505244869 is a deficient number, since it is larger than the sum of its proper divisors (1).

105505244869 is an equidigital number, since it uses as much as digits as its factorization.

105505244869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728000, while the sum is 49.

The spelling of 105505244869 in words is "one hundred five billion, five hundred five million, two hundred forty-four thousand, eight hundred sixty-nine".