239261993216 has 18 divisors (see below), whose sum is σ = 477589369782. Its totient is φ = 119630996480.

The previous prime is 239261993213. The next prime is 239261993279. The reversal of 239261993216 is 612399162932.

It can be written as a sum of positive squares in only one way, i.e., 214272706816 + 24989286400 = 462896^2 + 158080^2 .

It is not an unprimeable number, because it can be changed into a prime (239261993213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 467308325 + ... + 467308836.

Almost surely, 2^239261993216 is an apocalyptic number.

It is an amenable number.

239261993216 is a deficient number, since it is larger than the sum of its proper divisors (238327376566).

239261993216 is an frugal number, since it uses more digits than its factorization.

239261993216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934617177 (or 934617163 counting only the distinct ones).

The product of its digits is 1889568, while the sum is 53.

The spelling of 239261993216 in words is "two hundred thirty-nine billion, two hundred sixty-one million, nine hundred ninety-three thousand, two hundred sixteen".