8194381343 has 2 divisors, whose sum is σ = 8194381344. Its totient is φ = 8194381342.

The previous prime is 8194381297. The next prime is 8194381367. The reversal of 8194381343 is 3431834918.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8194381343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8194381294 and 8194381303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8194381243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4097190671 + 4097190672.

It is an arithmetic number, because the mean of its divisors is an integer number (4097190672).

Almost surely, 2^8194381343 is an apocalyptic number.

8194381343 is a deficient number, since it is larger than the sum of its proper divisors (1).

8194381343 is an equidigital number, since it uses as much as digits as its factorization.

8194381343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 44.

The square root of 8194381343 is about 90522.8222218022. The cubic root of 8194381343 is about 2016.0689932106.

The spelling of 8194381343 in words is "eight billion, one hundred ninety-four million, three hundred eighty-one thousand, three hundred forty-three".