43528874041789 has 2 divisors, whose sum is σ = 43528874041790. Its totient is φ = 43528874041788.

The previous prime is 43528874041753. The next prime is 43528874041811. The reversal of 43528874041789 is 98714047882534.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43515593323225 + 13280718564 = 6596635^2 + 115242^2 .

It is a cyclic number.

It is not a de Polignac number, because 43528874041789 - 2³⁷ = 43391435088317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43528874048789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21764437020894 + 21764437020895.

It is an arithmetic number, because the mean of its divisors is an integer number (21764437020895).

Almost surely, 2^{43528874041789} is an apocalyptic number.

It is an amenable number.

43528874041789 is a deficient number, since it is larger than the sum of its proper divisors (1).

43528874041789 is an equidigital number, since it uses as much as digits as its factorization.

43528874041789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 433520640, while the sum is 70.

The spelling of 43528874041789 in words is "forty-three trillion, five hundred twenty-eight billion, eight hundred seventy-four million, forty-one thousand, seven hundred eighty-nine".