43045647041 has 2 divisors, whose sum is σ = 43045647042. Its totient is φ = 43045647040.

The previous prime is 43045647023. The next prime is 43045647061. The reversal of 43045647041 is 14074654034.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21688747441 + 21356899600 = 147271^2 + 146140^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43045647041 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 43045646986 and 43045647004.

It is not a weakly prime, because it can be changed into another prime (43045647061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21522823520 + 21522823521.

It is an arithmetic number, because the mean of its divisors is an integer number (21522823521).

Almost surely, 2^43045647041 is an apocalyptic number.

It is an amenable number.

43045647041 is a deficient number, since it is larger than the sum of its proper divisors (1).

43045647041 is an equidigital number, since it uses as much as digits as its factorization.

43045647041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 38.

The spelling of 43045647041 in words is "forty-three billion, forty-five million, six hundred forty-seven thousand, forty-one".