939081159844 has 9 divisors (see below), whose sum is σ = 1643395421451. Its totient is φ = 469539610860.

The previous prime is 939081159799. The next prime is 939081159851. The reversal of 939081159844 is 448951180939.

The square root of 939081159844 is 969062.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1695859 + ... + 2180389.

Almost surely, 2^939081159844 is an apocalyptic number.

939081159844 is the 969062-nd square number.

It is an amenable number.

939081159844 is a deficient number, since it is larger than the sum of its proper divisors (704314261607).

939081159844 is an frugal number, since it uses more digits than its factorization.

939081159844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969066 (or 484533 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 61.

The spelling of 939081159844 in words is "nine hundred thirty-nine billion, eighty-one million, one hundred fifty-nine thousand, eight hundred forty-four".