9105609965 has 4 divisors (see below), whose sum is σ = 10926731964. Its totient is φ = 7284487968.

The previous prime is 9105609941. The next prime is 9105609967. The reversal of 9105609965 is 5699065019.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5699065019 = 1307 ⋅4360417.

It can be written as a sum of positive squares in 2 ways, for example, as 5639108836 + 3466501129 = 75094^2 + 58877^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9105609965 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9105609967) 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 3 ways as a sum of consecutive naturals, for example, 910560992 + ... + 910561001.

It is an arithmetic number, because the mean of its divisors is an integer number (2731682991).

Almost surely, 2^9105609965 is an apocalyptic number.

It is an amenable number.

9105609965 is a deficient number, since it is larger than the sum of its proper divisors (1821121999).

9105609965 is a wasteful number, since it uses less digits than its factorization.

9105609965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1821121998.

The product of its (nonzero) digits is 656100, while the sum is 50.

The square root of 9105609965 is about 95423.3198175373. The cubic root of 9105609965 is about 2088.1884109579.

The spelling of 9105609965 in words is "nine billion, one hundred five million, six hundred nine thousand, nine hundred sixty-five".