43167864841 has 2 divisors, whose sum is σ = 43167864842. Its totient is φ = 43167864840.

The previous prime is 43167864809. The next prime is 43167864889. The reversal of 43167864841 is 14846876134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24243735616 + 18924129225 = 155704^2 + 137565^2 .

It is a cyclic number.

It is not a de Polignac number, because 43167864841 - 2⁵ = 43167864809 is a prime.

It is not a weakly prime, because it can be changed into another prime (43167864241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21583932420 + 21583932421.

It is an arithmetic number, because the mean of its divisors is an integer number (21583932421).

Almost surely, 2^43167864841 is an apocalyptic number.

It is an amenable number.

43167864841 is a deficient number, since it is larger than the sum of its proper divisors (1).

43167864841 is an equidigital number, since it uses as much as digits as its factorization.

43167864841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3096576, while the sum is 52.

The spelling of 43167864841 in words is "forty-three billion, one hundred sixty-seven million, eight hundred sixty-four thousand, eight hundred forty-one".