10995609 has 4 divisors (see below), whose sum is σ = 14660816. Its totient is φ = 7330404.

The previous prime is 10995601. The next prime is 10995613. The reversal of 10995609 is 90659901.

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.

It is not a de Polignac number, because 10995609 - 2³ = 10995601 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10995601) 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, 1832599 + ... + 1832604.

It is an arithmetic number, because the mean of its divisors is an integer number (3665204).

Almost surely, 2^10995609 is an apocalyptic number.

It is an amenable number.

10995609 is a deficient number, since it is larger than the sum of its proper divisors (3665207).

10995609 is an equidigital number, since it uses as much as digits as its factorization.

10995609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3665206.

The product of its (nonzero) digits is 21870, while the sum is 39.

The square root of 10995609 is about 3315.9627561238. The cubic root of 10995609 is about 222.3684127046.

The spelling of 10995609 in words is "ten million, nine hundred ninety-five thousand, six hundred nine".