43930121063 has 2 divisors, whose sum is σ = 43930121064. Its totient is φ = 43930121062.

The previous prime is 43930121041. The next prime is 43930121071. The reversal of 43930121063 is 36012103934.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43930121063 - 2¹⁴ = 43930104679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43930121033) 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, 21965060531 + 21965060532.

It is an arithmetic number, because the mean of its divisors is an integer number (21965060532).

Almost surely, 2^43930121063 is an apocalyptic number.

43930121063 is a deficient number, since it is larger than the sum of its proper divisors (1).

43930121063 is an equidigital number, since it uses as much as digits as its factorization.

43930121063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 32.

Adding to 43930121063 its reverse (36012103934), we get a palindrome (79942224997).

The spelling of 43930121063 in words is "forty-three billion, nine hundred thirty million, one hundred twenty-one thousand, sixty-three".