243338571716 has 12 divisors (see below), whose sum is σ = 431675959932. Its totient is φ = 120002583168.

The previous prime is 243338571649. The next prime is 243338571767. The reversal of 243338571716 is 617175833342.

It can be written as a sum of positive squares in 2 ways, for example, as 195576217600 + 47762354116 = 442240^2 + 218546^2 .

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, 416675345 + ... + 416675928.

It is an arithmetic number, because the mean of its divisors is an integer number (35972996661).

Almost surely, 2^243338571716 is an apocalyptic number.

It is an amenable number.

243338571716 is a deficient number, since it is larger than the sum of its proper divisors (188337388216).

243338571716 is a wasteful number, since it uses less digits than its factorization.

243338571716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833351350 (or 833351348 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 50.

The spelling of 243338571716 in words is "two hundred forty-three billion, three hundred thirty-eight million, five hundred seventy-one thousand, seven hundred sixteen".