43436736041 has 2 divisors, whose sum is σ = 43436736042. Its totient is φ = 43436736040.

The previous prime is 43436736017. The next prime is 43436736061. The reversal of 43436736041 is 14063763434.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22142630416 + 21294105625 = 148804^2 + 145925^2 .

It is a cyclic number.

It is not a de Polignac number, because 43436736041 - 2⁶ = 43436735977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43436736041.

It is not a weakly prime, because it can be changed into another prime (43436736001) 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, 21718368020 + 21718368021.

It is an arithmetic number, because the mean of its divisors is an integer number (21718368021).

Almost surely, 2^43436736041 is an apocalyptic number.

It is an amenable number.

43436736041 is a deficient number, since it is larger than the sum of its proper divisors (1).

43436736041 is an equidigital number, since it uses as much as digits as its factorization.

43436736041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 41.

The spelling of 43436736041 in words is "forty-three billion, four hundred thirty-six million, seven hundred thirty-six thousand, forty-one".