243839368442 has 8 divisors (see below), whose sum is σ = 370910588832. Its totient is φ = 120202505500.

The previous prime is 243839368417. The next prime is 243839368477. The reversal of 243839368442 is 244863938342.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 858589184 + ... + 858589467.

It is an arithmetic number, because the mean of its divisors is an integer number (46363823604).

Almost surely, 2^243839368442 is an apocalyptic number.

243839368442 is a deficient number, since it is larger than the sum of its proper divisors (127071220390).

243839368442 is a wasteful number, since it uses less digits than its factorization.

243839368442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1717178724.

The product of its digits is 23887872, while the sum is 56.

The spelling of 243839368442 in words is "two hundred forty-three billion, eight hundred thirty-nine million, three hundred sixty-eight thousand, four hundred forty-two".