243629564 has 6 divisors (see below), whose sum is σ = 426351744. Its totient is φ = 121814780.

The previous prime is 243629563. The next prime is 243629569. The reversal of 243629564 is 465926342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243629563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30453692 + ... + 30453699.

It is an arithmetic number, because the mean of its divisors is an integer number (71058624).

Almost surely, 2^243629564 is an apocalyptic number.

It is an amenable number.

243629564 is a deficient number, since it is larger than the sum of its proper divisors (182722180).

243629564 is a wasteful number, since it uses less digits than its factorization.

243629564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60907395 (or 60907393 counting only the distinct ones).

The product of its digits is 311040, while the sum is 41.

The square root of 243629564 is about 15608.6374805747. The cubic root of 243629564 is about 624.5635899583.

The spelling of 243629564 in words is "two hundred forty-three million, six hundred twenty-nine thousand, five hundred sixty-four".