43662496841 has 2 divisors, whose sum is σ = 43662496842. Its totient is φ = 43662496840.

The previous prime is 43662496781. The next prime is 43662496861. The reversal of 43662496841 is 14869426634.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43255264441 + 407232400 = 207979^2 + 20180^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43662496841 is a prime.

It is not a weakly prime, because it can be changed into another prime (43662496861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21831248420 + 21831248421.

It is an arithmetic number, because the mean of its divisors is an integer number (21831248421).

Almost surely, 2^43662496841 is an apocalyptic number.

It is an amenable number.

43662496841 is a deficient number, since it is larger than the sum of its proper divisors (1).

43662496841 is an equidigital number, since it uses as much as digits as its factorization.

43662496841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5971968, while the sum is 53.

The spelling of 43662496841 in words is "forty-three billion, six hundred sixty-two million, four hundred ninety-six thousand, eight hundred forty-one".