43054420043 has 2 divisors, whose sum is σ = 43054420044. Its totient is φ = 43054420042.

The previous prime is 43054420039. The next prime is 43054420183. The reversal of 43054420043 is 34002445034.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43054420043 - 2² = 43054420039 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 43054419988 and 43054420015.

It is not a weakly prime, because it can be changed into another prime (43054420243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21527210021 + 21527210022.

It is an arithmetic number, because the mean of its divisors is an integer number (21527210022).

Almost surely, 2^43054420043 is an apocalyptic number.

43054420043 is a deficient number, since it is larger than the sum of its proper divisors (1).

43054420043 is an equidigital number, since it uses as much as digits as its factorization.

43054420043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 29.

Adding to 43054420043 its reverse (34002445034), we get a palindrome (77056865077).

The spelling of 43054420043 in words is "forty-three billion, fifty-four million, four hundred twenty thousand, forty-three".