43432304374561 has 2 divisors, whose sum is σ = 43432304374562. Its totient is φ = 43432304374560.

The previous prime is 43432304374559. The next prime is 43432304374577. The reversal of 43432304374561 is 16547340323434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28954515283600 + 14477789090961 = 5380940^2 + 3804969^2 .

It is a cyclic number.

It is not a de Polignac number, because 43432304374561 - 2¹ = 43432304374559 is a prime.

Together with 43432304374559, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (43432304374541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21716152187280 + 21716152187281.

It is an arithmetic number, because the mean of its divisors is an integer number (21716152187281).

Almost surely, 2^{43432304374561} is an apocalyptic number.

It is an amenable number.

43432304374561 is a deficient number, since it is larger than the sum of its proper divisors (1).

43432304374561 is an equidigital number, since it uses as much as digits as its factorization.

43432304374561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8709120, while the sum is 49.

Adding to 43432304374561 its reverse (16547340323434), we get a palindrome (59979644697995).

The spelling of 43432304374561 in words is "forty-three trillion, four hundred thirty-two billion, three hundred four million, three hundred seventy-four thousand, five hundred sixty-one".