239073309438 has 16 divisors (see below), whose sum is σ = 494634433680. Its totient is φ = 76943134016.

The previous prime is 239073309403. The next prime is 239073309439. The reversal of 239073309438 is 834903370932.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239073309439) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 686992095 + ... + 686992442.

It is an arithmetic number, because the mean of its divisors is an integer number (30914652105).

Almost surely, 2^239073309438 is an apocalyptic number.

239073309438 is an abundant number, since it is smaller than the sum of its proper divisors (255561124242).

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

239073309438 is a wasteful number, since it uses less digits than its factorization.

239073309438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373984571.

The product of its (nonzero) digits is 2939328, while the sum is 51.

The spelling of 239073309438 in words is "two hundred thirty-nine billion, seventy-three million, three hundred nine thousand, four hundred thirty-eight".