4403909161 has 4 divisors (see below), whose sum is σ = 4447512324. Its totient is φ = 4360306000.

The previous prime is 4403909149. The next prime is 4403909183. The reversal of 4403909161 is 1619093044.

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 3715633936 + 688275225 = 60956^2 + 26235^2 .

It is a cyclic number.

It is not a de Polignac number, because 4403909161 - 2²⁹ = 3867038249 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4403909161.

It is not an unprimeable number, because it can be changed into a prime (4403909141) 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, 21801430 + ... + 21801631.

It is an arithmetic number, because the mean of its divisors is an integer number (1111878081).

Almost surely, 2^4403909161 is an apocalyptic number.

It is an amenable number.

4403909161 is a deficient number, since it is larger than the sum of its proper divisors (43603163).

4403909161 is a wasteful number, since it uses less digits than its factorization.

4403909161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43603162.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 4403909161 is about 66361.9556749196. The cubic root of 4403909161 is about 1639.1276791867.

The spelling of 4403909161 in words is "four billion, four hundred three million, nine hundred nine thousand, one hundred sixty-one".