43009367069 has 2 divisors, whose sum is σ = 43009367070. Its totient is φ = 43009367068.

The previous prime is 43009367053. The next prime is 43009367083. The reversal of 43009367069 is 96076390034.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31865820100 + 11143546969 = 178510^2 + 105563^2 .

It is a cyclic number.

It is not a de Polignac number, because 43009367069 - 2⁴ = 43009367053 is a prime.

It is a super-2 number, since 2×43009367069² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43009369069) 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, 21504683534 + 21504683535.

It is an arithmetic number, because the mean of its divisors is an integer number (21504683535).

Almost surely, 2^43009367069 is an apocalyptic number.

It is an amenable number.

43009367069 is a deficient number, since it is larger than the sum of its proper divisors (1).

43009367069 is an equidigital number, since it uses as much as digits as its factorization.

43009367069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 734832, while the sum is 47.

The spelling of 43009367069 in words is "forty-three billion, nine million, three hundred sixty-seven thousand, sixty-nine".