2164608349 has 2 divisors, whose sum is σ = 2164608350. Its totient is φ = 2164608348.

The previous prime is 2164608323. The next prime is 2164608367. The reversal of 2164608349 is 9438064612.

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., 2112045849 + 52562500 = 45957^2 + 7250^2 .

It is a cyclic number.

It is not a de Polignac number, because 2164608349 - 2¹⁹ = 2164084061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2164608389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1082304174 + 1082304175.

It is an arithmetic number, because the mean of its divisors is an integer number (1082304175).

Almost surely, 2^2164608349 is an apocalyptic number.

It is an amenable number.

2164608349 is a deficient number, since it is larger than the sum of its proper divisors (1).

2164608349 is an equidigital number, since it uses as much as digits as its factorization.

2164608349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 2164608349 is about 46525.3516805623. The cubic root of 2164608349 is about 1293.5794561104.

The spelling of 2164608349 in words is "two billion, one hundred sixty-four million, six hundred eight thousand, three hundred forty-nine".