43091825089 has 2 divisors, whose sum is σ = 43091825090. Its totient is φ = 43091825088.

The previous prime is 43091825071. The next prime is 43091825107. The reversal of 43091825089 is 98052819034.

It is a balanced prime because it is at equal distance from previous prime (43091825071) and next prime (43091825107).

It can be written as a sum of positive squares in only one way, i.e., 41816978064 + 1274847025 = 204492^2 + 35705^2 .

It is a cyclic number.

It is not a de Polignac number, because 43091825089 - 2¹¹ = 43091823041 is a prime.

It is not a weakly prime, because it can be changed into another prime (43091825009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21545912544 + 21545912545.

It is an arithmetic number, because the mean of its divisors is an integer number (21545912545).

Almost surely, 2^43091825089 is an apocalyptic number.

It is an amenable number.

43091825089 is a deficient number, since it is larger than the sum of its proper divisors (1).

43091825089 is an equidigital number, since it uses as much as digits as its factorization.

43091825089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 622080, while the sum is 49.

The spelling of 43091825089 in words is "forty-three billion, ninety-one million, eight hundred twenty-five thousand, eighty-nine".