243727475346 has 24 divisors (see below), whose sum is σ = 540357040080. Its totient is φ = 79353131256.

The previous prime is 243727475311. The next prime is 243727475357. The reversal of 243727475346 is 643574727342.

243727475346 is a `hidden beast` number, since 2 + 4 + 37 + 2 + 74 + 7 + 534 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 243727475292 and 243727475301.

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, 157445916 + ... + 157447463.

It is an arithmetic number, because the mean of its divisors is an integer number (22514876670).

Almost surely, 2^243727475346 is an apocalyptic number.

243727475346 is an abundant number, since it is smaller than the sum of its proper divisors (296629564734).

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

243727475346 is a wasteful number, since it uses less digits than its factorization.

243727475346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314893430 (or 314893427 counting only the distinct ones).

The product of its digits is 23708160, while the sum is 54.

The spelling of 243727475346 in words is "two hundred forty-three billion, seven hundred twenty-seven million, four hundred seventy-five thousand, three hundred forty-six".