43613026069 has 2 divisors, whose sum is σ = 43613026070. Its totient is φ = 43613026068.

The previous prime is 43613026019. The next prime is 43613026081. The reversal of 43613026069 is 96062031634.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43193308900 + 419717169 = 207830^2 + 20487^2 .

It is a cyclic number.

It is not a de Polignac number, because 43613026069 - 2¹⁹ = 43612501781 is a prime.

It is a super-2 number, since 2×43613026069² (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 (43613026019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21806513034 + 21806513035.

It is an arithmetic number, because the mean of its divisors is an integer number (21806513035).

Almost surely, 2^43613026069 is an apocalyptic number.

It is an amenable number.

43613026069 is a deficient number, since it is larger than the sum of its proper divisors (1).

43613026069 is an equidigital number, since it uses as much as digits as its factorization.

43613026069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 40.

The spelling of 43613026069 in words is "forty-three billion, six hundred thirteen million, twenty-six thousand, sixty-nine".