2164690313 has 2 divisors, whose sum is σ = 2164690314. Its totient is φ = 2164690312.

The previous prime is 2164690271. The next prime is 2164690343. The reversal of 2164690313 is 3130964612.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1469418889 + 695271424 = 38333^2 + 26368^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2164690313 is a prime.

It is not a weakly prime, because it can be changed into another prime (2164690343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1082345156 + 1082345157.

It is an arithmetic number, because the mean of its divisors is an integer number (1082345157).

Almost surely, 2^2164690313 is an apocalyptic number.

It is an amenable number.

2164690313 is a deficient number, since it is larger than the sum of its proper divisors (1).

2164690313 is an equidigital number, since it uses as much as digits as its factorization.

2164690313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 2164690313 is about 46526.2325253184. The cubic root of 2164690313 is about 1293.5957832531.

The spelling of 2164690313 in words is "two billion, one hundred sixty-four million, six hundred ninety thousand, three hundred thirteen".