105984485709 has 16 divisors (see below), whose sum is σ = 142639353600. Its totient is φ = 69996036096.

The previous prime is 105984485693. The next prime is 105984485723. The reversal of 105984485709 is 907584489501.

It is not a de Polignac number, because 105984485709 - 2⁴ = 105984485693 is a prime.

It is a super-2 number, since 2×105984485709² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105983485709) 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 in 15 ways as a sum of consecutive naturals, for example, 244564 + ... + 521325.

It is an arithmetic number, because the mean of its divisors is an integer number (8914959600).

Almost surely, 2^105984485709 is an apocalyptic number.

It is an amenable number.

105984485709 is a deficient number, since it is larger than the sum of its proper divisors (36654867891).

105984485709 is a wasteful number, since it uses less digits than its factorization.

105984485709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766324.

The product of its (nonzero) digits is 14515200, while the sum is 60.

The spelling of 105984485709 in words is "one hundred five billion, nine hundred eighty-four million, four hundred eighty-five thousand, seven hundred nine".