43342405189 has 2 divisors, whose sum is σ = 43342405190. Its totient is φ = 43342405188.

The previous prime is 43342405159. The next prime is 43342405279. The reversal of 43342405189 is 98150424334.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43334748900 + 7656289 = 208170^2 + 2767^2 .

It is a cyclic number.

It is not a de Polignac number, because 43342405189 - 2²³ = 43334016581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43342405109) 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, 21671202594 + 21671202595.

It is an arithmetic number, because the mean of its divisors is an integer number (21671202595).

Almost surely, 2^43342405189 is an apocalyptic number.

It is an amenable number.

43342405189 is a deficient number, since it is larger than the sum of its proper divisors (1).

43342405189 is an equidigital number, since it uses as much as digits as its factorization.

43342405189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 43342405189 in words is "forty-three billion, three hundred forty-two million, four hundred five thousand, one hundred eighty-nine".