43832721041 has 2 divisors, whose sum is σ = 43832721042. Its totient is φ = 43832721040.

The previous prime is 43832721029. The next prime is 43832721161. The reversal of 43832721041 is 14012723834.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43054590016 + 778131025 = 207496^2 + 27895^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43832721041 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 = 43832720992 and 43832721010.

It is not a weakly prime, because it can be changed into another prime (43832021041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21916360520 + 21916360521.

It is an arithmetic number, because the mean of its divisors is an integer number (21916360521).

Almost surely, 2^43832721041 is an apocalyptic number.

It is an amenable number.

43832721041 is a deficient number, since it is larger than the sum of its proper divisors (1).

43832721041 is an equidigital number, since it uses as much as digits as its factorization.

43832721041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 35.

The spelling of 43832721041 in words is "forty-three billion, eight hundred thirty-two million, seven hundred twenty-one thousand, forty-one".