243635242536342 has 64 divisors (see below), whose sum is σ = 556047951129600. Its totient is φ = 79016330412000.

The previous prime is 243635242536307. The next prime is 243635242536349.

243635242536342 is a `hidden beast` number, since 2 + 4 + 3 + 6 + 3 + 5 + 242 + 53 + 6 + 342 = 666.

243635242536342 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243635242536349) 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, 432787209 + ... + 433349787.

It is an arithmetic number, because the mean of its divisors is an integer number (8688249236400).

Almost surely, 2^{243635242536342} is an apocalyptic number.

243635242536342 is an abundant number, since it is smaller than the sum of its proper divisors (312412708593258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243635242536342 is a wasteful number, since it uses less digits than its factorization.

243635242536342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779378 (or 779372 counting only the distinct ones).

The product of its digits is 74649600, while the sum is 54.

The spelling of 243635242536342 in words is "two hundred forty-three trillion, six hundred thirty-five billion, two hundred forty-two million, five hundred thirty-six thousand, three hundred forty-two".