43396368193 has 2 divisors, whose sum is σ = 43396368194. Its totient is φ = 43396368192.

The previous prime is 43396368149. The next prime is 43396368247. The reversal of 43396368193 is 39186369334.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32711424769 + 10684943424 = 180863^2 + 103368^2 .

It is a cyclic number.

It is not a de Polignac number, because 43396368193 - 2¹³ = 43396360001 is a prime.

It is not a weakly prime, because it can be changed into another prime (43396368293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21698184096 + 21698184097.

It is an arithmetic number, because the mean of its divisors is an integer number (21698184097).

Almost surely, 2^43396368193 is an apocalyptic number.

It is an amenable number.

43396368193 is a deficient number, since it is larger than the sum of its proper divisors (1).

43396368193 is an equidigital number, since it uses as much as digits as its factorization.

43396368193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7558272, while the sum is 55.

The spelling of 43396368193 in words is "forty-three billion, three hundred ninety-six million, three hundred sixty-eight thousand, one hundred ninety-three".