34434043789 has 2 divisors, whose sum is σ = 34434043790. Its totient is φ = 34434043788.

The previous prime is 34434043771. The next prime is 34434043801. The reversal of 34434043789 is 98734043443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28849022500 + 5585021289 = 169850^2 + 74733^2 .

It is a cyclic number.

It is not a de Polignac number, because 34434043789 - 2⁵ = 34434043757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34434043759) 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, 17217021894 + 17217021895.

It is an arithmetic number, because the mean of its divisors is an integer number (17217021895).

Almost surely, 2^34434043789 is an apocalyptic number.

It is an amenable number.

34434043789 is a deficient number, since it is larger than the sum of its proper divisors (1).

34434043789 is an equidigital number, since it uses as much as digits as its factorization.

34434043789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3483648, while the sum is 49.

It can be divided in two parts, 344340 and 43789, that added together give a square (388129 = 623²).

The spelling of 34434043789 in words is "thirty-four billion, four hundred thirty-four million, forty-three thousand, seven hundred eighty-nine".