243355746676 has 24 divisors (see below), whose sum is σ = 486733036160. Its totient is φ = 104290703712.

The previous prime is 243355746643. The next prime is 243355746679. The reversal of 243355746676 is 676647553342.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 243355746676.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243355746679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 494590 + ... + 855178.

Almost surely, 2^243355746676 is an apocalyptic number.

It is an amenable number.

243355746676 is an abundant number, since it is smaller than the sum of its proper divisors (243377289484).

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

243355746676 is a wasteful number, since it uses less digits than its factorization.

243355746676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384703 (or 384701 counting only the distinct ones).

The product of its digits is 76204800, while the sum is 58.

The spelling of 243355746676 in words is "two hundred forty-three billion, three hundred fifty-five million, seven hundred forty-six thousand, six hundred seventy-six".