243794364388 has 48 divisors (see below), whose sum is σ = 456891838704. Its totient is φ = 113420902400.

The previous prime is 243794364377. The next prime is 243794364487. The reversal of 243794364388 is 883463497342.

243794364388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 163287111744 + 80507252644 = 404088^2 + 283738^2 .

It is a super-2 number, since 2×243794364388² (a number of 24 digits) contains 22 as substring.

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 in 15 ways as a sum of consecutive naturals, for example, 4623420 + ... + 4675852.

It is an arithmetic number, because the mean of its divisors is an integer number (9518579973).

Almost surely, 2^243794364388 is an apocalyptic number.

It is an amenable number.

243794364388 is a deficient number, since it is larger than the sum of its proper divisors (213097474316).

243794364388 is a wasteful number, since it uses less digits than its factorization.

243794364388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53232 (or 53230 counting only the distinct ones).

The product of its digits is 83607552, while the sum is 61.

The spelling of 243794364388 in words is "two hundred forty-three billion, seven hundred ninety-four million, three hundred sixty-four thousand, three hundred eighty-eight".