242503553040443 has 4 divisors (see below), whose sum is σ = 246123009056040. Its totient is φ = 238884097024848.

The previous prime is 242503553040421. The next prime is 242503553040481. The reversal of 242503553040443 is 344040355305242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 242503553040443 - 2¹⁸ = 242503552778299 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242503553040394 and 242503553040403.

It is not an unprimeable number, because it can be changed into a prime (242503553040643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1809728007698 + ... + 1809728007831.

It is an arithmetic number, because the mean of its divisors is an integer number (61530752264010).

Almost surely, 2^{242503553040443} is an apocalyptic number.

242503553040443 is a deficient number, since it is larger than the sum of its proper divisors (3619456015597).

242503553040443 is an equidigital number, since it uses as much as digits as its factorization.

242503553040443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3619456015596.

The product of its (nonzero) digits is 3456000, while the sum is 44.

The spelling of 242503553040443 in words is "two hundred forty-two trillion, five hundred three billion, five hundred fifty-three million, forty thousand, four hundred forty-three".