2116959743 has 4 divisors (see below), whose sum is σ = 2117051808. Its totient is φ = 2116867680.

The previous prime is 2116959673. The next prime is 2116959749. The reversal of 2116959743 is 3479596112.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2116959743 - 2¹⁰ = 2116958719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116959749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20903 + ... + 68343.

It is an arithmetic number, because the mean of its divisors is an integer number (529262952).

Almost surely, 2^2116959743 is an apocalyptic number.

2116959743 is a deficient number, since it is larger than the sum of its proper divisors (92065).

2116959743 is an equidigital number, since it uses as much as digits as its factorization.

2116959743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92064.

The product of its digits is 408240, while the sum is 47.

The square root of 2116959743 is about 46010.4308065030. The cubic root of 2116959743 is about 1284.0172742425.

The spelling of 2116959743 in words is "two billion, one hundred sixteen million, nine hundred fifty-nine thousand, seven hundred forty-three".