939138487733 has 16 divisors (see below), whose sum is σ = 957364427520. Its totient is φ = 920991744000.

The previous prime is 939138487691. The next prime is 939138487747. The reversal of 939138487733 is 337784831939.

It is a cyclic number.

It is not a de Polignac number, because 939138487733 - 2¹⁸ = 939138225589 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 939138487733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (939138487783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54494228 + ... + 54511458.

It is an arithmetic number, because the mean of its divisors is an integer number (59835276720).

Almost surely, 2^939138487733 is an apocalyptic number.

It is an amenable number.

939138487733 is a deficient number, since it is larger than the sum of its proper divisors (18225939787).

939138487733 is a wasteful number, since it uses less digits than its factorization.

939138487733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19468.

The product of its digits is 82301184, while the sum is 65.

The spelling of 939138487733 in words is "nine hundred thirty-nine billion, one hundred thirty-eight million, four hundred eighty-seven thousand, seven hundred thirty-three".