43030412129 has 2 divisors, whose sum is σ = 43030412130. Its totient is φ = 43030412128.

The previous prime is 43030412123. The next prime is 43030412147. The reversal of 43030412129 is 92121403034.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38081571025 + 4948841104 = 195145^2 + 70348^2 .

It is a cyclic number.

It is not a de Polignac number, because 43030412129 - 2⁸ = 43030411873 is a prime.

It is not a weakly prime, because it can be changed into another prime (43030412123) 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, 21515206064 + 21515206065.

It is an arithmetic number, because the mean of its divisors is an integer number (21515206065).

Almost surely, 2^43030412129 is an apocalyptic number.

It is an amenable number.

43030412129 is a deficient number, since it is larger than the sum of its proper divisors (1).

43030412129 is an equidigital number, since it uses as much as digits as its factorization.

43030412129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 43030412129 in words is "forty-three billion, thirty million, four hundred twelve thousand, one hundred twenty-nine".