43195680041 has 2 divisors, whose sum is σ = 43195680042. Its totient is φ = 43195680040.

The previous prime is 43195679999. The next prime is 43195680049. The reversal of 43195680041 is 14008659134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35577881641 + 7617798400 = 188621^2 + 87280^2 .

It is a cyclic number.

It is not a de Polignac number, because 43195680041 - 2⁶ = 43195679977 is a prime.

It is not a weakly prime, because it can be changed into another prime (43195680049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21597840020 + 21597840021.

It is an arithmetic number, because the mean of its divisors is an integer number (21597840021).

Almost surely, 2^43195680041 is an apocalyptic number.

It is an amenable number.

43195680041 is a deficient number, since it is larger than the sum of its proper divisors (1).

43195680041 is an equidigital number, since it uses as much as digits as its factorization.

43195680041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 43195680041 in words is "forty-three billion, one hundred ninety-five million, six hundred eighty thousand, forty-one".