243574642028 has 6 divisors (see below), whose sum is σ = 426255623556. Its totient is φ = 121787321012.

The previous prime is 243574641983. The next prime is 243574642033. The reversal of 243574642028 is 820246475342.

243574642028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 30446830250 + ... + 30446830257.

It is an arithmetic number, because the mean of its divisors is an integer number (71042603926).

Almost surely, 2^243574642028 is an apocalyptic number.

It is an amenable number.

243574642028 is a deficient number, since it is larger than the sum of its proper divisors (182680981528).

243574642028 is a wasteful number, since it uses less digits than its factorization.

243574642028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60893660511 (or 60893660509 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 47.

The spelling of 243574642028 in words is "two hundred forty-three billion, five hundred seventy-four million, six hundred forty-two thousand, twenty-eight".