2106943316 has 6 divisors (see below), whose sum is σ = 3687150810. Its totient is φ = 1053471656.

The previous prime is 2106943273. The next prime is 2106943327. The reversal of 2106943316 is 6133496012.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1596002500 + 510940816 = 39950^2 + 22604^2 .

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, 263367911 + ... + 263367918.

It is an arithmetic number, because the mean of its divisors is an integer number (614525135).

Almost surely, 2^2106943316 is an apocalyptic number.

It is an amenable number.

2106943316 is a deficient number, since it is larger than the sum of its proper divisors (1580207494).

2106943316 is a wasteful number, since it uses less digits than its factorization.

2106943316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526735833 (or 526735831 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 2106943316 is about 45901.4522210354. The cubic root of 2106943316 is about 1281.9889561558.

The spelling of 2106943316 in words is "two billion, one hundred six million, nine hundred forty-three thousand, three hundred sixteen".