2116570993 has 2 divisors, whose sum is σ = 2116570994. Its totient is φ = 2116570992.

The previous prime is 2116570957. The next prime is 2116571029. The reversal of 2116570993 is 3990756112.

It is a balanced prime because it is at equal distance from previous prime (2116570957) and next prime (2116571029).

It can be written as a sum of positive squares in only one way, i.e., 2074164849 + 42406144 = 45543^2 + 6512^2 .

It is a cyclic number.

It is not a de Polignac number, because 2116570993 - 2¹³ = 2116562801 is a prime.

It is not a weakly prime, because it can be changed into another prime (2116570933) by changing a digit.

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 as a sum of consecutive naturals, namely, 1058285496 + 1058285497.

It is an arithmetic number, because the mean of its divisors is an integer number (1058285497).

Almost surely, 2^2116570993 is an apocalyptic number.

It is an amenable number.

2116570993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2116570993 is an equidigital number, since it uses as much as digits as its factorization.

2116570993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 102060, while the sum is 43.

The square root of 2116570993 is about 46006.2060270134. The cubic root of 2116570993 is about 1283.9386721694.

The spelling of 2116570993 in words is "two billion, one hundred sixteen million, five hundred seventy thousand, nine hundred ninety-three".