243398579422 has 16 divisors (see below), whose sum is σ = 369053568000. Its totient is φ = 120387468600.

The previous prime is 243398579419. The next prime is 243398579429. The reversal of 243398579422 is 224975893342.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243398579429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1613922 + ... + 1758277.

It is an arithmetic number, because the mean of its divisors is an integer number (23065848000).

Almost surely, 2^243398579422 is an apocalyptic number.

243398579422 is a deficient number, since it is larger than the sum of its proper divisors (125654988578).

243398579422 is a wasteful number, since it uses less digits than its factorization.

243398579422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3372591.

The product of its digits is 26127360, while the sum is 58.

The spelling of 243398579422 in words is "two hundred forty-three billion, three hundred ninety-eight million, five hundred seventy-nine thousand, four hundred twenty-two".