243243422984 has 16 divisors (see below), whose sum is σ = 462505101120. Its totient is φ = 119908729360.

The previous prime is 243243422911. The next prime is 243243422987. The reversal of 243243422984 is 489224342342.

It is not an unprimeable number, because it can be changed into a prime (243243422987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214122164 + ... + 214123299.

It is an arithmetic number, because the mean of its divisors is an integer number (28906568820).

Almost surely, 2^243243422984 is an apocalyptic number.

It is an amenable number.

243243422984 is a deficient number, since it is larger than the sum of its proper divisors (219261678136).

243243422984 is a wasteful number, since it uses less digits than its factorization.

243243422984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428245540 (or 428245536 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 47.

The spelling of 243243422984 in words is "two hundred forty-three billion, two hundred forty-three million, four hundred twenty-two thousand, nine hundred eighty-four".