43398524243 has 2 divisors, whose sum is σ = 43398524244. Its totient is φ = 43398524242.

The previous prime is 43398524227. The next prime is 43398524249. The reversal of 43398524243 is 34242589334.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43398524243 - 2⁴ = 43398524227 is a prime.

It is not a weakly prime, because it can be changed into another prime (43398524249) 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, 21699262121 + 21699262122.

It is an arithmetic number, because the mean of its divisors is an integer number (21699262122).

Almost surely, 2^43398524243 is an apocalyptic number.

43398524243 is a deficient number, since it is larger than the sum of its proper divisors (1).

43398524243 is an equidigital number, since it uses as much as digits as its factorization.

43398524243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2488320, while the sum is 47.

The spelling of 43398524243 in words is "forty-three billion, three hundred ninety-eight million, five hundred twenty-four thousand, two hundred forty-three".