18192848305 has 4 divisors (see below), whose sum is σ = 21831417972. Its totient is φ = 14554278640.

The previous prime is 18192848293. The next prime is 18192848309. The reversal of 18192848305 is 50384829181.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50384829181 = 23 ⋅2190644747.

It can be written as a sum of positive squares in 2 ways, for example, as 11760968704 + 6431879601 = 108448^2 + 80199^2 .

It is not a de Polignac number, because 18192848305 - 2⁵ = 18192848273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18192848309) 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, 1819284826 + ... + 1819284835.

It is an arithmetic number, because the mean of its divisors is an integer number (5457854493).

Almost surely, 2^18192848305 is an apocalyptic number.

It is an amenable number.

18192848305 is a deficient number, since it is larger than the sum of its proper divisors (3638569667).

18192848305 is an equidigital number, since it uses as much as digits as its factorization.

18192848305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3638569666.

The product of its (nonzero) digits is 552960, while the sum is 49.

The spelling of 18192848305 in words is "eighteen billion, one hundred ninety-two million, eight hundred forty-eight thousand, three hundred five".