243685904932 has 48 divisors (see below), whose sum is σ = 461779557120. Its totient is φ = 112102848000.

The previous prime is 243685904927. The next prime is 243685904947. The reversal of 243685904932 is 239409586342.

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, 318007 + ... + 767137.

It is an arithmetic number, because the mean of its divisors is an integer number (9620407440).

Almost surely, 2^243685904932 is an apocalyptic number.

It is an amenable number.

243685904932 is a deficient number, since it is larger than the sum of its proper divisors (218093652188).

243685904932 is a wasteful number, since it uses less digits than its factorization.

243685904932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449332 (or 449330 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 55.

The spelling of 243685904932 in words is "two hundred forty-three billion, six hundred eighty-five million, nine hundred four thousand, nine hundred thirty-two".