243652354644 has 48 divisors (see below), whose sum is σ = 580676640768. Its totient is φ = 79481444448.

The previous prime is 243652354639. The next prime is 243652354663. The reversal of 243652354644 is 446453256342.

It is a junction number, because it is equal to n+sod(n) for n = 243652354593 and 243652354602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8743317 + ... + 8771139.

It is an arithmetic number, because the mean of its divisors is an integer number (12097430016).

Almost surely, 2^243652354644 is an apocalyptic number.

It is an amenable number.

243652354644 is an abundant number, since it is smaller than the sum of its proper divisors (337024286124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243652354644 is a wasteful number, since it uses less digits than its factorization.

243652354644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43404 (or 43402 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 48.

The spelling of 243652354644 in words is "two hundred forty-three billion, six hundred fifty-two million, three hundred fifty-four thousand, six hundred forty-four".