4409665101 has 6 divisors (see below), whose sum is σ = 6369516270. Its totient is φ = 2939776728.

The previous prime is 4409665097. The next prime is 4409665121. The reversal of 4409665101 is 1015669044.

It can be written as a sum of positive squares in only one way, i.e., 2429504100 + 1980161001 = 49290^2 + 44499^2 .

It is not a de Polignac number, because 4409665101 - 2² = 4409665097 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4409665121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 244981386 + ... + 244981403.

It is an arithmetic number, because the mean of its divisors is an integer number (1061586045).

Almost surely, 2^4409665101 is an apocalyptic number.

It is an amenable number.

4409665101 is a deficient number, since it is larger than the sum of its proper divisors (1959851169).

4409665101 is a wasteful number, since it uses less digits than its factorization.

4409665101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489962795 (or 489962792 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 4409665101 is about 66405.3092832192. The cubic root of 4409665101 is about 1639.8414853980.

The spelling of 4409665101 in words is "four billion, four hundred nine million, six hundred sixty-five thousand, one hundred one".