43773198341 has 2 divisors, whose sum is σ = 43773198342. Its totient is φ = 43773198340.

The previous prime is 43773198319. The next prime is 43773198347. The reversal of 43773198341 is 14389137734.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42403458241 + 1369740100 = 205921^2 + 37010^2 .

It is a cyclic number.

It is not a de Polignac number, because 43773198341 - 2¹⁰ = 43773197317 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 43773198341.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43773198347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21886599170 + 21886599171.

It is an arithmetic number, because the mean of its divisors is an integer number (21886599171).

Almost surely, 2^43773198341 is an apocalyptic number.

It is an amenable number.

43773198341 is a deficient number, since it is larger than the sum of its proper divisors (1).

43773198341 is an equidigital number, since it uses as much as digits as its factorization.

43773198341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1524096, while the sum is 50.

The spelling of 43773198341 in words is "forty-three billion, seven hundred seventy-three million, one hundred ninety-eight thousand, three hundred forty-one".