239073412643 has 4 divisors (see below), whose sum is σ = 257463675168. Its totient is φ = 220683150120.

The previous prime is 239073412637. The next prime is 239073412663. The reversal of 239073412643 is 346214370932.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 239073412643 - 2¹⁸ = 239073150499 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 239073412594 and 239073412603.

It is not an unprimeable number, because it can be changed into a prime (239073412663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9195131243 + ... + 9195131268.

It is an arithmetic number, because the mean of its divisors is an integer number (64365918792).

Almost surely, 2^239073412643 is an apocalyptic number.

239073412643 is a deficient number, since it is larger than the sum of its proper divisors (18390262525).

239073412643 is a wasteful number, since it uses less digits than its factorization.

239073412643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18390262524.

The product of its (nonzero) digits is 653184, while the sum is 44.

The spelling of 239073412643 in words is "two hundred thirty-nine billion, seventy-three million, four hundred twelve thousand, six hundred forty-three".