18009095 has 8 divisors (see below), whose sum is σ = 23273376. Its totient is φ = 13298976.

The previous prime is 18009073. The next prime is 18009107. The reversal of 18009095 is 59090081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18009095 - 2⁶ = 18009031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138467 + ... + 138596.

It is an arithmetic number, because the mean of its divisors is an integer number (2909172).

Almost surely, 2^18009095 is an apocalyptic number.

18009095 is a deficient number, since it is larger than the sum of its proper divisors (5264281).

18009095 is a wasteful number, since it uses less digits than its factorization.

18009095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277081.

The product of its (nonzero) digits is 3240, while the sum is 32.

The square root of 18009095 is about 4243.7124077864. The cubic root of 18009095 is about 262.1182720682.

The spelling of 18009095 in words is "eighteen million, nine thousand, ninety-five".