242013664543 has 32 divisors (see below), whose sum is σ = 291593862144. Its totient is φ = 196375145472.

The previous prime is 242013664537. The next prime is 242013664603. The reversal of 242013664543 is 345466310242.

It is a cyclic number.

It is not a de Polignac number, because 242013664543 - 2¹³ = 242013656351 is a prime.

It is a super-2 number, since 2×242013664543² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242013664496 and 242013664505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242013614543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19236271 + ... + 19248847.

It is an arithmetic number, because the mean of its divisors is an integer number (9112308192).

Almost surely, 2^242013664543 is an apocalyptic number.

242013664543 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

242013664543 is a deficient number, since it is larger than the sum of its proper divisors (49580197601).

242013664543 is a wasteful number, since it uses less digits than its factorization.

242013664543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13831.

The product of its (nonzero) digits is 414720, while the sum is 40.

Adding to 242013664543 its reverse (345466310242), we get a palindrome (587479974785).

The spelling of 242013664543 in words is "two hundred forty-two billion, thirteen million, six hundred sixty-four thousand, five hundred forty-three".