43841319563 has 2 divisors, whose sum is σ = 43841319564. Its totient is φ = 43841319562.

The previous prime is 43841319559. The next prime is 43841319617. The reversal of 43841319563 is 36591314834.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43841319563 - 2² = 43841319559 is a prime.

It is a super-2 number, since 2×43841319563² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (43841319523) 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, 21920659781 + 21920659782.

It is an arithmetic number, because the mean of its divisors is an integer number (21920659782).

Almost surely, 2^43841319563 is an apocalyptic number.

43841319563 is a deficient number, since it is larger than the sum of its proper divisors (1).

43841319563 is an equidigital number, since it uses as much as digits as its factorization.

43841319563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 933120, while the sum is 47.

The spelling of 43841319563 in words is "forty-three billion, eight hundred forty-one million, three hundred nineteen thousand, five hundred sixty-three".