43440701089 has 2 divisors, whose sum is σ = 43440701090. Its totient is φ = 43440701088.

The previous prime is 43440701077. The next prime is 43440701113. The reversal of 43440701089 is 98010704434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41384985489 + 2055715600 = 203433^2 + 45340^2 .

It is a cyclic number.

It is not a de Polignac number, because 43440701089 - 2⁹ = 43440700577 is a prime.

It is a super-2 number, since 2×43440701089² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (43440701039) 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, 21720350544 + 21720350545.

It is an arithmetic number, because the mean of its divisors is an integer number (21720350545).

Almost surely, 2^43440701089 is an apocalyptic number.

It is an amenable number.

43440701089 is a deficient number, since it is larger than the sum of its proper divisors (1).

43440701089 is an equidigital number, since it uses as much as digits as its factorization.

43440701089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 43440701089 in words is "forty-three billion, four hundred forty million, seven hundred one thousand, eighty-nine".