43066204361 has 2 divisors, whose sum is σ = 43066204362. Its totient is φ = 43066204360.

The previous prime is 43066204343. The next prime is 43066204463. The reversal of 43066204361 is 16340266034.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29775573136 + 13290631225 = 172556^2 + 115285^2 .

It is a cyclic number.

It is not a de Polignac number, because 43066204361 - 2¹⁸ = 43065942217 is a prime.

It is not a weakly prime, because it can be changed into another prime (43066204561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21533102180 + 21533102181.

It is an arithmetic number, because the mean of its divisors is an integer number (21533102181).

Almost surely, 2^43066204361 is an apocalyptic number.

It is an amenable number.

43066204361 is a deficient number, since it is larger than the sum of its proper divisors (1).

43066204361 is an equidigital number, since it uses as much as digits as its factorization.

43066204361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 35.

The spelling of 43066204361 in words is "forty-three billion, sixty-six million, two hundred four thousand, three hundred sixty-one".