939500839999 has 4 divisors (see below), whose sum is σ = 953523240664. Its totient is φ = 925478439336.

The previous prime is 939500839939. The next prime is 939500840029. The reversal of 939500839999 is 999938005939.

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 939500839999 - 2¹⁹ = 939500315711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (939500839909) 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, 7011200232 + ... + 7011200365.

It is an arithmetic number, because the mean of its divisors is an integer number (238380810166).

Almost surely, 2^939500839999 is an apocalyptic number.

939500839999 is a deficient number, since it is larger than the sum of its proper divisors (14022400665).

939500839999 is a wasteful number, since it uses less digits than its factorization.

939500839999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14022400664.

The product of its (nonzero) digits is 191318760, while the sum is 73.

The spelling of 939500839999 in words is "nine hundred thirty-nine billion, five hundred million, eight hundred thirty-nine thousand, nine hundred ninety-nine".