243603665332 has 12 divisors (see below), whose sum is σ = 426439532736. Its totient is φ = 121763798840.

The previous prime is 243603665243. The next prime is 243603665363. The reversal of 243603665332 is 233566306342.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9494044 + ... + 9519667.

It is an arithmetic number, because the mean of its divisors is an integer number (35536627728).

Almost surely, 2^243603665332 is an apocalyptic number.

It is an amenable number.

243603665332 is a deficient number, since it is larger than the sum of its proper divisors (182835867404).

243603665332 is a wasteful number, since it uses less digits than its factorization.

243603665332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19016918 (or 19016916 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 43.

The spelling of 243603665332 in words is "two hundred forty-three billion, six hundred three million, six hundred sixty-five thousand, three hundred thirty-two".