18097475195 has 8 divisors (see below), whose sum is σ = 21757115760. Its totient is φ = 14451216480.

The previous prime is 18097475191. The next prime is 18097475203. The reversal of 18097475195 is 59157479081.

It is a happy number.

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

It is not a de Polignac number, because 18097475195 - 2² = 18097475191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18097475195.

It is not an unprimeable number, because it can be changed into a prime (18097475191) 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 7 ways as a sum of consecutive naturals, for example, 3342485 + ... + 3347894.

It is an arithmetic number, because the mean of its divisors is an integer number (2719639470).

Almost surely, 2^18097475195 is an apocalyptic number.

18097475195 is a deficient number, since it is larger than the sum of its proper divisors (3659640565).

18097475195 is an equidigital number, since it uses as much as digits as its factorization.

18097475195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6690925.

The product of its (nonzero) digits is 3175200, while the sum is 56.

The spelling of 18097475195 in words is "eighteen billion, ninety-seven million, four hundred seventy-five thousand, one hundred ninety-five".