43043347013369 has 2 divisors, whose sum is σ = 43043347013370. Its totient is φ = 43043347013368.

The previous prime is 43043347013339. The next prime is 43043347013393. The reversal of 43043347013369 is 96331074334034.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24219784249600 + 18823562763769 = 4921360^2 + 4338613^2 .

It is a cyclic number.

It is not a de Polignac number, because 43043347013369 - 2¹⁶ = 43043346947833 is a prime.

It is a super-2 number, since 2×43043347013369² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (43043347013309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21521673506684 + 21521673506685.

It is an arithmetic number, because the mean of its divisors is an integer number (21521673506685).

Almost surely, 2^{43043347013369} is an apocalyptic number.

It is an amenable number.

43043347013369 is a deficient number, since it is larger than the sum of its proper divisors (1).

43043347013369 is an equidigital number, since it uses as much as digits as its factorization.

43043347013369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5878656, while the sum is 50.

The spelling of 43043347013369 in words is "forty-three trillion, forty-three billion, three hundred forty-seven million, thirteen thousand, three hundred sixty-nine".