43134411709 has 2 divisors, whose sum is σ = 43134411710. Its totient is φ = 43134411708.

The previous prime is 43134411659. The next prime is 43134411721. The reversal of 43134411709 is 90711443134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43060400100 + 74011609 = 207510^2 + 8603^2 .

It is a cyclic number.

It is not a de Polignac number, because 43134411709 - 2⁹ = 43134411197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43134411779) 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, 21567205854 + 21567205855.

It is an arithmetic number, because the mean of its divisors is an integer number (21567205855).

Almost surely, 2^43134411709 is an apocalyptic number.

It is an amenable number.

43134411709 is a deficient number, since it is larger than the sum of its proper divisors (1).

43134411709 is an equidigital number, since it uses as much as digits as its factorization.

43134411709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 43134411709 in words is "forty-three billion, one hundred thirty-four million, four hundred eleven thousand, seven hundred nine".