4096161809 has 4 divisors (see below), whose sum is σ = 4096289904. Its totient is φ = 4096033716.

The previous prime is 4096161787. The next prime is 4096161821. The reversal of 4096161809 is 9081616904.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4096161809 - 2¹² = 4096157713 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4096161809.

It is not an unprimeable number, because it can be changed into a prime (4096161709) 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, 28394 + ... + 94860.

It is an arithmetic number, because the mean of its divisors is an integer number (1024072476).

Almost surely, 2^4096161809 is an apocalyptic number.

It is an amenable number.

4096161809 is a deficient number, since it is larger than the sum of its proper divisors (128095).

4096161809 is an equidigital number, since it uses as much as digits as its factorization.

4096161809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128094.

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 4096161809 is about 64001.2641203281. The cubic root of 4096161809 is about 1600.0210686028.

The spelling of 4096161809 in words is "four billion, ninety-six million, one hundred sixty-one thousand, eight hundred nine".