243412139950 has 48 divisors (see below), whose sum is σ = 525907080864. Its totient is φ = 82087459200.

The previous prime is 243412139917. The next prime is 243412140031. The reversal of 243412139950 is 59931214342.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 243412139897 and 243412139906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5679169 + ... + 5721868.

It is an arithmetic number, because the mean of its divisors is an integer number (10956397518).

Almost surely, 2^243412139950 is an apocalyptic number.

243412139950 is an abundant number, since it is smaller than the sum of its proper divisors (282494940914).

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

243412139950 is a wasteful number, since it uses less digits than its factorization.

243412139950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11401117 (or 11401112 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 43.

The spelling of 243412139950 in words is "two hundred forty-three billion, four hundred twelve million, one hundred thirty-nine thousand, nine hundred fifty".