2116392913 has 2 divisors, whose sum is σ = 2116392914. Its totient is φ = 2116392912.

The previous prime is 2116392907. The next prime is 2116392923. The reversal of 2116392913 is 3192936112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1541975824 + 574417089 = 39268^2 + 23967^2 .

It is a cyclic number.

It is not a de Polignac number, because 2116392913 - 2⁹ = 2116392401 is a prime.

It is not a weakly prime, because it can be changed into another prime (2116392923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1058196456 + 1058196457.

It is an arithmetic number, because the mean of its divisors is an integer number (1058196457).

Almost surely, 2^2116392913 is an apocalyptic number.

It is an amenable number.

2116392913 is a deficient number, since it is larger than the sum of its proper divisors (1).

2116392913 is an equidigital number, since it uses as much as digits as its factorization.

2116392913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17496, while the sum is 37.

The square root of 2116392913 is about 46004.2705952393. The cubic root of 2116392913 is about 1283.9026626345.

The spelling of 2116392913 in words is "two billion, one hundred sixteen million, three hundred ninety-two thousand, nine hundred thirteen".