43133343217 has 2 divisors, whose sum is σ = 43133343218. Its totient is φ = 43133343216.

The previous prime is 43133343173. The next prime is 43133343233. The reversal of 43133343217 is 71234333134.

43133343217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30495986161 + 12637357056 = 174631^2 + 112416^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43133343217 is a prime.

It is not a weakly prime, because it can be changed into another prime (43133343017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21566671608 + 21566671609.

It is an arithmetic number, because the mean of its divisors is an integer number (21566671609).

Almost surely, 2^43133343217 is an apocalyptic number.

It is an amenable number.

43133343217 is a deficient number, since it is larger than the sum of its proper divisors (1).

43133343217 is an equidigital number, since it uses as much as digits as its factorization.

43133343217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 34.

The spelling of 43133343217 in words is "forty-three billion, one hundred thirty-three million, three hundred forty-three thousand, two hundred seventeen".