1943344241 has 2 divisors, whose sum is σ = 1943344242. Its totient is φ = 1943344240.

The previous prime is 1943344237. The next prime is 1943344309. The reversal of 1943344241 is 1424433491.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1925366641 + 17977600 = 43879^2 + 4240^2 .

It is a cyclic number.

It is not a de Polignac number, because 1943344241 - 2² = 1943344237 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1943344231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 971672120 + 971672121.

It is an arithmetic number, because the mean of its divisors is an integer number (971672121).

Almost surely, 2^1943344241 is an apocalyptic number.

It is an amenable number.

1943344241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1943344241 is an equidigital number, since it uses as much as digits as its factorization.

1943344241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 35.

The square root of 1943344241 is about 44083.3782847912. The cubic root of 1943344241 is about 1247.9099453650.

The spelling of 1943344241 in words is "one billion, nine hundred forty-three million, three hundred forty-four thousand, two hundred forty-one".