243753430660 has 48 divisors (see below), whose sum is σ = 515292547392. Its totient is φ = 96852412800.

The previous prime is 243753430637. The next prime is 243753430703. The reversal of 243753430660 is 66034357342.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

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, 6537270 + ... + 6574450.

It is an arithmetic number, because the mean of its divisors is an integer number (10735261404).

Almost surely, 2^243753430660 is an apocalyptic number.

243753430660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243753430660 is an abundant number, since it is smaller than the sum of its proper divisors (271539116732).

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

243753430660 is a wasteful number, since it uses less digits than its factorization.

243753430660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39364 (or 39362 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 43.

The spelling of 243753430660 in words is "two hundred forty-three billion, seven hundred fifty-three million, four hundred thirty thousand, six hundred sixty".