243263340536 has 16 divisors (see below), whose sum is σ = 456282347400. Its totient is φ = 121588047904.

The previous prime is 243263340533. The next prime is 243263340557. The reversal of 243263340536 is 635043362342.

It is a junction number, because it is equal to n+sod(n) for n = 243263340493 and 243263340502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243263340533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5429090 + ... + 5473713.

Almost surely, 2^243263340536 is an apocalyptic number.

It is an amenable number.

243263340536 is a deficient number, since it is larger than the sum of its proper divisors (213019006864).

243263340536 is a wasteful number, since it uses less digits than its factorization.

243263340536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10905598 (or 10905594 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 41.

The spelling of 243263340536 in words is "two hundred forty-three billion, two hundred sixty-three million, three hundred forty thousand, five hundred thirty-six".