2114164861 has 2 divisors, whose sum is σ = 2114164862. Its totient is φ = 2114164860.

The previous prime is 2114164849. The next prime is 2114164933. The reversal of 2114164861 is 1684614112.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1679442361 + 434722500 = 40981^2 + 20850^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2114164861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2114164361) 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, 1057082430 + 1057082431.

It is an arithmetic number, because the mean of its divisors is an integer number (1057082431).

Almost surely, 2^2114164861 is an apocalyptic number.

It is an amenable number.

2114164861 is a deficient number, since it is larger than the sum of its proper divisors (1).

2114164861 is an equidigital number, since it uses as much as digits as its factorization.

2114164861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 34.

The square root of 2114164861 is about 45980.0485101962. The cubic root of 2114164861 is about 1283.4519576784.

Adding to 2114164861 its reverse (1684614112), we get a palindrome (3798778973).

The spelling of 2114164861 in words is "two billion, one hundred fourteen million, one hundred sixty-four thousand, eight hundred sixty-one".