243112210064 has 40 divisors (see below), whose sum is σ = 484421283000. Its totient is φ = 118109242368.

The previous prime is 243112210049. The next prime is 243112210151. The reversal of 243112210064 is 460012211342.

It can be written as a sum of positive squares in 4 ways, for example, as 77551110400 + 165561099664 = 278480^2 + 406892^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153812 + ... + 714060.

It is an arithmetic number, because the mean of its divisors is an integer number (12110532075).

Almost surely, 2^243112210064 is an apocalyptic number.

It is an amenable number.

243112210064 is a deficient number, since it is larger than the sum of its proper divisors (241309072936).

243112210064 is a wasteful number, since it uses less digits than its factorization.

243112210064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561027 (or 561021 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The spelling of 243112210064 in words is "two hundred forty-three billion, one hundred twelve million, two hundred ten thousand, sixty-four".