243730544654 has 24 divisors (see below), whose sum is σ = 400894471488. Its totient is φ = 110996824320.

The previous prime is 243730544647. The next prime is 243730544677. The reversal of 243730544654 is 456445037342.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 243730544599 and 243730544608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6783359 + ... + 6819194.

It is an arithmetic number, because the mean of its divisors is an integer number (16703936312).

Almost surely, 2^243730544654 is an apocalyptic number.

243730544654 is a deficient number, since it is larger than the sum of its proper divisors (157163926834).

243730544654 is a wasteful number, since it uses less digits than its factorization.

243730544654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13602620 (or 13602603 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 47.

The spelling of 243730544654 in words is "two hundred forty-three billion, seven hundred thirty million, five hundred forty-four thousand, six hundred fifty-four".