243213465674355 has 64 divisors (see below), whose sum is σ = 436476845500416. Its totient is φ = 114621018624000.

The previous prime is 243213465674353. The next prime is 243213465674369. The reversal of 243213465674355 is 553476564312342.

It is a happy number.

It is not a de Polignac number, because 243213465674355 - 2¹ = 243213465674353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243213465674353) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 64498294 + ... + 68164923.

It is an arithmetic number, because the mean of its divisors is an integer number (6819950710944).

Almost surely, 2^{243213465674355} is an apocalyptic number.

243213465674355 is a deficient number, since it is larger than the sum of its proper divisors (193263379826061).

243213465674355 is a wasteful number, since it uses less digits than its factorization.

243213465674355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132663548.

The product of its digits is 217728000, while the sum is 60.

The spelling of 243213465674355 in words is "two hundred forty-three trillion, two hundred thirteen billion, four hundred sixty-five million, six hundred seventy-four thousand, three hundred fifty-five".