2113961706 has 16 divisors (see below), whose sum is σ = 4697692800. Its totient is φ = 704653884.

The previous prime is 2113961693. The next prime is 2113961719. The reversal of 2113961706 is 6071693112.

2113961706 is a `hidden beast` number, since 2 + 1 + 1 + 39 + 617 + 0 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (2113961693) and next prime (2113961719).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19573666 + ... + 19573773.

It is an arithmetic number, because the mean of its divisors is an integer number (293605800).

Almost surely, 2^2113961706 is an apocalyptic number.

2113961706 is an abundant number, since it is smaller than the sum of its proper divisors (2583731094).

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

2113961706 is a wasteful number, since it uses less digits than its factorization.

2113961706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39147450 (or 39147444 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 2113961706 is about 45977.8392924243. The cubic root of 2113961706 is about 1283.4108464041.

The spelling of 2113961706 in words is "two billion, one hundred thirteen million, nine hundred sixty-one thousand, seven hundred six".