43328383892543 has 2 divisors, whose sum is σ = 43328383892544. Its totient is φ = 43328383892542.

The previous prime is 43328383892513. The next prime is 43328383892609. The reversal of 43328383892543 is 34529838382334.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43328383892543 - 2⁴⁰ = 42228872264767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43328383892543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43328383892513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21664191946271 + 21664191946272.

It is an arithmetic number, because the mean of its divisors is an integer number (21664191946272).

Almost surely, 2^{43328383892543} is an apocalyptic number.

43328383892543 is a deficient number, since it is larger than the sum of its proper divisors (1).

43328383892543 is an equidigital number, since it uses as much as digits as its factorization.

43328383892543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 358318080, while the sum is 65.

The spelling of 43328383892543 in words is "forty-three trillion, three hundred twenty-eight billion, three hundred eighty-three million, eight hundred ninety-two thousand, five hundred forty-three".