239005018838 has 4 divisors (see below), whose sum is σ = 358507528260. Its totient is φ = 119502509418.

The previous prime is 239005018771. The next prime is 239005018897. The reversal of 239005018838 is 838810500932.

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

It is a junction number, because it is equal to n+sod(n) for n = 239005018792 and 239005018801.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59751254708 + ... + 59751254711.

It is an arithmetic number, because the mean of its divisors is an integer number (89626882065).

Almost surely, 2^239005018838 is an apocalyptic number.

239005018838 is a deficient number, since it is larger than the sum of its proper divisors (119502509422).

239005018838 is a wasteful number, since it uses less digits than its factorization.

239005018838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119502509421.

The product of its (nonzero) digits is 414720, while the sum is 47.

The spelling of 239005018838 in words is "two hundred thirty-nine billion, five million, eighteen thousand, eight hundred thirty-eight".