243630362465 has 32 divisors (see below), whose sum is σ = 348691599360. Its totient is φ = 159777630144.

The previous prime is 243630362441. The next prime is 243630362471. The reversal of 243630362465 is 564263036342.

It is a cyclic number.

It is not a de Polignac number, because 243630362465 - 2¹⁰ = 243630361441 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9614342 + ... + 9639648.

It is an arithmetic number, because the mean of its divisors is an integer number (10896612480).

Almost surely, 2^243630362465 is an apocalyptic number.

It is an amenable number.

243630362465 is a deficient number, since it is larger than the sum of its proper divisors (105061236895).

243630362465 is a wasteful number, since it uses less digits than its factorization.

243630362465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37301.

The product of its (nonzero) digits is 1866240, while the sum is 44.

The spelling of 243630362465 in words is "two hundred forty-three billion, six hundred thirty million, three hundred sixty-two thousand, four hundred sixty-five".