243315516463 has 8 divisors (see below), whose sum is σ = 257721016032. Its totient is φ = 228920330496.

The previous prime is 243315516449. The next prime is 243315516557. The reversal of 243315516463 is 364615513342.

243315516463 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 243315516463 - 2³⁷ = 105876562991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243315516403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2529795 + ... + 2624212.

It is an arithmetic number, because the mean of its divisors is an integer number (32215127004).

Almost surely, 2^243315516463 is an apocalyptic number.

243315516463 is a deficient number, since it is larger than the sum of its proper divisors (14405499569).

243315516463 is a wasteful number, since it uses less digits than its factorization.

243315516463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5156801.

The product of its digits is 777600, while the sum is 43.

The spelling of 243315516463 in words is "two hundred forty-three billion, three hundred fifteen million, five hundred sixteen thousand, four hundred sixty-three".