43321342297 has 2 divisors, whose sum is σ = 43321342298. Its totient is φ = 43321342296.

The previous prime is 43321342291. The next prime is 43321342391. The reversal of 43321342297 is 79224312334.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43039236681 + 282105616 = 207459^2 + 16796^2 .

It is a cyclic number.

It is not a de Polignac number, because 43321342297 - 2¹⁵ = 43321309529 is a prime.

It is not a weakly prime, because it can be changed into another prime (43321342291) 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, 21660671148 + 21660671149.

It is an arithmetic number, because the mean of its divisors is an integer number (21660671149).

Almost surely, 2^43321342297 is an apocalyptic number.

It is an amenable number.

43321342297 is a deficient number, since it is larger than the sum of its proper divisors (1).

43321342297 is an equidigital number, since it uses as much as digits as its factorization.

43321342297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 40.

The spelling of 43321342297 in words is "forty-three billion, three hundred twenty-one million, three hundred forty-two thousand, two hundred ninety-seven".