43679841941 has 2 divisors, whose sum is σ = 43679841942. Its totient is φ = 43679841940.

The previous prime is 43679841917. The next prime is 43679841943. The reversal of 43679841941 is 14914897634.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23072091025 + 20607750916 = 151895^2 + 143554^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43679841941 is a prime.

Together with 43679841943, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43679841943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21839920970 + 21839920971.

It is an arithmetic number, because the mean of its divisors is an integer number (21839920971).

Almost surely, 2^43679841941 is an apocalyptic number.

It is an amenable number.

43679841941 is a deficient number, since it is larger than the sum of its proper divisors (1).

43679841941 is an equidigital number, since it uses as much as digits as its factorization.

43679841941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5225472, while the sum is 56.

The spelling of 43679841941 in words is "forty-three billion, six hundred seventy-nine million, eight hundred forty-one thousand, nine hundred forty-one".