18975020095 has 4 divisors (see below), whose sum is σ = 22770024120. Its totient is φ = 15180016072.

The previous prime is 18975020087. The next prime is 18975020117. The reversal of 18975020095 is 59002057981.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 18975020095 - 2³ = 18975020087 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1897502005 + ... + 1897502014.

It is an arithmetic number, because the mean of its divisors is an integer number (5692506030).

Almost surely, 2^18975020095 is an apocalyptic number.

18975020095 is a deficient number, since it is larger than the sum of its proper divisors (3795004025).

18975020095 is an equidigital number, since it uses as much as digits as its factorization.

18975020095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3795004024.

The product of its (nonzero) digits is 226800, while the sum is 46.

The spelling of 18975020095 in words is "eighteen billion, nine hundred seventy-five million, twenty thousand, ninety-five".