195695089 has 4 divisors (see below), whose sum is σ = 195725824. Its totient is φ = 195664356.

The previous prime is 195695077. The next prime is 195695113. The reversal of 195695089 is 980596591.

195695089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 195695089 - 2⁵ = 195695057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (195695039) 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, 1857 + ... + 19870.

It is an arithmetic number, because the mean of its divisors is an integer number (48931456).

Almost surely, 2^195695089 is an apocalyptic number.

It is an amenable number.

195695089 is a deficient number, since it is larger than the sum of its proper divisors (30735).

195695089 is an equidigital number, since it uses as much as digits as its factorization.

195695089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30734.

The product of its (nonzero) digits is 874800, while the sum is 52.

The square root of 195695089 is about 13989.1060829490. The cubic root of 195695089 is about 580.5771988821.

The spelling of 195695089 in words is "one hundred ninety-five million, six hundred ninety-five thousand, eighty-nine".