243273616268 has 6 divisors (see below), whose sum is σ = 425728828476. Its totient is φ = 121636808132.

The previous prime is 243273616249. The next prime is 243273616277. The reversal of 243273616268 is 862616372342.

It is a super-2 number, since 2×243273616268² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30409202030 + ... + 30409202037.

It is an arithmetic number, because the mean of its divisors is an integer number (70954804746).

Almost surely, 2^243273616268 is an apocalyptic number.

It is an amenable number.

243273616268 is a deficient number, since it is larger than the sum of its proper divisors (182455212208).

243273616268 is a wasteful number, since it uses less digits than its factorization.

243273616268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60818404071 (or 60818404069 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 50.

The spelling of 243273616268 in words is "two hundred forty-three billion, two hundred seventy-three million, six hundred sixteen thousand, two hundred sixty-eight".