8141398193 has 4 divisors (see below), whose sum is σ = 8361436020. Its totient is φ = 7921360368.

The previous prime is 8141398189. The next prime is 8141398207. The reversal of 8141398193 is 3918931418.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3918931418 = 2 ⋅1959465709.

It can be written as a sum of positive squares in 2 ways, for example, as 2919457024 + 5221941169 = 54032^2 + 72263^2 .

It is a cyclic number.

It is not a de Polignac number, because 8141398193 - 2² = 8141398189 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8141398183) 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, 110018858 + ... + 110018931.

It is an arithmetic number, because the mean of its divisors is an integer number (2090359005).

Almost surely, 2^8141398193 is an apocalyptic number.

It is an amenable number.

8141398193 is a deficient number, since it is larger than the sum of its proper divisors (220037827).

8141398193 is a wasteful number, since it uses less digits than its factorization.

8141398193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220037826.

The product of its digits is 186624, while the sum is 47.

The square root of 8141398193 is about 90229.6968464374. The cubic root of 8141398193 is about 2011.7144347963.

The spelling of 8141398193 in words is "eight billion, one hundred forty-one million, three hundred ninety-eight thousand, one hundred ninety-three".