43212340597 has 2 divisors, whose sum is σ = 43212340598. Its totient is φ = 43212340596.

The previous prime is 43212340573. The next prime is 43212340621. The reversal of 43212340597 is 79504321234.

It is a balanced prime because it is at equal distance from previous prime (43212340573) and next prime (43212340621).

It can be written as a sum of positive squares in only one way, i.e., 39017705841 + 4194634756 = 197529^2 + 64766^2 .

It is a cyclic number.

It is not a de Polignac number, because 43212340597 - 2¹¹ = 43212338549 is a prime.

It is a super-2 number, since 2×43212340597² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43212340517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21606170298 + 21606170299.

It is an arithmetic number, because the mean of its divisors is an integer number (21606170299).

Almost surely, 2^43212340597 is an apocalyptic number.

It is an amenable number.

43212340597 is a deficient number, since it is larger than the sum of its proper divisors (1).

43212340597 is an equidigital number, since it uses as much as digits as its factorization.

43212340597 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 43212340597 in words is "forty-three billion, two hundred twelve million, three hundred forty thousand, five hundred ninety-seven".