2939317031668 has 6 divisors (see below), whose sum is σ = 5143804805426. Its totient is φ = 1469658515832.

The previous prime is 2939317031597. The next prime is 2939317031701. The reversal of 2939317031668 is 8661307139392.

It can be written as a sum of positive squares in only one way, i.e., 2510202947044 + 429114084624 = 1584362^2 + 655068^2 .

It is a super-2 number, since 2×2939317031668² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 367414628955 + ... + 367414628962.

Almost surely, 2^{2939317031668} is an apocalyptic number.

It is an amenable number.

2939317031668 is a deficient number, since it is larger than the sum of its proper divisors (2204487773758).

2939317031668 is a wasteful number, since it uses less digits than its factorization.

2939317031668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734829257921 (or 734829257919 counting only the distinct ones).

The product of its (nonzero) digits is 8817984, while the sum is 58.

The spelling of 2939317031668 in words is "two trillion, nine hundred thirty-nine billion, three hundred seventeen million, thirty-one thousand, six hundred sixty-eight".