243136326364 has 24 divisors (see below), whose sum is σ = 447919601360. Its totient is φ = 115160351616.

The previous prime is 243136326361. The next prime is 243136326403. The reversal of 243136326364 is 463623631342.

It is a self number, because there is not a number n which added to its sum of digits gives 243136326364.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243136326361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 844144 + ... + 1094920.

Almost surely, 2^243136326364 is an apocalyptic number.

It is an amenable number.

243136326364 is a deficient number, since it is larger than the sum of its proper divisors (204783274996).

243136326364 is a wasteful number, since it uses less digits than its factorization.

243136326364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263557 (or 263555 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 43.

The spelling of 243136326364 in words is "two hundred forty-three billion, one hundred thirty-six million, three hundred twenty-six thousand, three hundred sixty-four".