43012420400293 has 2 divisors, whose sum is σ = 43012420400294. Its totient is φ = 43012420400292.

The previous prime is 43012420400167. The next prime is 43012420400371. The reversal of 43012420400293 is 39200402421034.

43012420400293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32636278075489 + 10376142324804 = 5712817^2 + 3221202^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43012420400293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43012420409293) 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, 21506210200146 + 21506210200147.

It is an arithmetic number, because the mean of its divisors is an integer number (21506210200147).

Almost surely, 2^{43012420400293} is an apocalyptic number.

It is an amenable number.

43012420400293 is a deficient number, since it is larger than the sum of its proper divisors (1).

43012420400293 is an equidigital number, since it uses as much as digits as its factorization.

43012420400293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 43012420400293 in words is "forty-three trillion, twelve billion, four hundred twenty million, four hundred thousand, two hundred ninety-three".