243421024250 has 16 divisors (see below), whose sum is σ = 455684157864. Its totient is φ = 97368409600.

The previous prime is 243421024241. The next prime is 243421024261. The reversal of 243421024250 is 52420124342.

It can be written as a sum of positive squares in 4 ways, for example, as 56564535889 + 186856488361 = 237833^2 + 432269^2 .

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, 486841799 + ... + 486842298.

Almost surely, 2^243421024250 is an apocalyptic number.

243421024250 is a deficient number, since it is larger than the sum of its proper divisors (212263133614).

243421024250 is an equidigital number, since it uses as much as digits as its factorization.

243421024250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973684114 (or 973684104 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 243421024250 its reverse (52420124342), we get a palindrome (295841148592).

The spelling of 243421024250 in words is "two hundred forty-three billion, four hundred twenty-one million, twenty-four thousand, two hundred fifty".