43051340027 has 2 divisors, whose sum is σ = 43051340028. Its totient is φ = 43051340026.

The previous prime is 43051339987. The next prime is 43051340029. The reversal of 43051340027 is 72004315034.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43051340027 - 2⁶ = 43051339963 is a prime.

Together with 43051340029, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (43051340029) 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, 21525670013 + 21525670014.

It is an arithmetic number, because the mean of its divisors is an integer number (21525670014).

Almost surely, 2^43051340027 is an apocalyptic number.

43051340027 is a deficient number, since it is larger than the sum of its proper divisors (1).

43051340027 is an equidigital number, since it uses as much as digits as its factorization.

43051340027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 29.

The spelling of 43051340027 in words is "forty-three billion, fifty-one million, three hundred forty thousand, twenty-seven".