2164788113 has 2 divisors, whose sum is σ = 2164788114. Its totient is φ = 2164788112.

The previous prime is 2164788107. The next prime is 2164788163. The reversal of 2164788113 is 3118874612.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1367742289 + 797045824 = 36983^2 + 28232^2 .

It is a cyclic number.

It is not a de Polignac number, because 2164788113 - 2²⁴ = 2148010897 is a prime.

It is a super-2 number, since 2×2164788113² = 9372615148372201538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2164788163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1082394056 + 1082394057.

It is an arithmetic number, because the mean of its divisors is an integer number (1082394057).

Almost surely, 2^2164788113 is an apocalyptic number.

It is an amenable number.

2164788113 is a deficient number, since it is larger than the sum of its proper divisors (1).

2164788113 is an equidigital number, since it uses as much as digits as its factorization.

2164788113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 41.

The square root of 2164788113 is about 46527.2835334280. The cubic root of 2164788113 is about 1293.6152643711.

The spelling of 2164788113 in words is "two billion, one hundred sixty-four million, seven hundred eighty-eight thousand, one hundred thirteen".