2116874305 has 64 divisors (see below), whose sum is σ = 3219245568. Its totient is φ = 1300561920.

The previous prime is 2116874293. The next prime is 2116874327. The reversal of 2116874305 is 5034786112.

It is a Cunningham number, because it is equal to 1284³+1.

It is not a de Polignac number, because 2116874305 - 2⁵ = 2116874273 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5027995 + ... + 5028415.

It is an arithmetic number, because the mean of its divisors is an integer number (50300712).

Almost surely, 2^2116874305 is an apocalyptic number.

It is an amenable number.

2116874305 is a deficient number, since it is larger than the sum of its proper divisors (1102371263).

2116874305 is a wasteful number, since it uses less digits than its factorization.

2116874305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 2116874305 is about 46009.5023337571. The cubic root of 2116874305 is about 1284.0000002022. Note that the first 6 decimals are identical.

The spelling of 2116874305 in words is "two billion, one hundred sixteen million, eight hundred seventy-four thousand, three hundred five".