939959661712 has 20 divisors (see below), whose sum is σ = 1883970874620. Its totient is φ = 453773629568.

The previous prime is 939959661709. The next prime is 939959661757. The reversal of 939959661712 is 217166959939.

It can be written as a sum of positive squares in 2 ways, for example, as 689723606016 + 250236055696 = 830496^2 + 500236^2 .

It is a super-3 number, since 3×939959661712³ (a number of 37 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1012887103 + ... + 1012888030.

It is an arithmetic number, because the mean of its divisors is an integer number (94198543731).

Almost surely, 2^939959661712 is an apocalyptic number.

It is an amenable number.

939959661712 is an abundant number, since it is smaller than the sum of its proper divisors (944011212908).

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

939959661712 is a wasteful number, since it uses less digits than its factorization.

939959661712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2025775170 (or 2025775164 counting only the distinct ones).

The product of its digits is 49601160, while the sum is 67.

The spelling of 939959661712 in words is "nine hundred thirty-nine billion, nine hundred fifty-nine million, six hundred sixty-one thousand, seven hundred twelve".