2168079349 has 2 divisors, whose sum is σ = 2168079350. Its totient is φ = 2168079348.

The previous prime is 2168079317. The next prime is 2168079439. The reversal of 2168079349 is 9439708612.

Together with next prime (2168079439) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1362938724 + 805140625 = 36918^2 + 28375^2 .

It is a cyclic number.

It is not a de Polignac number, because 2168079349 - 2⁵ = 2168079317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2168079149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1084039674 + 1084039675.

It is an arithmetic number, because the mean of its divisors is an integer number (1084039675).

Almost surely, 2^2168079349 is an apocalyptic number.

It is an amenable number.

2168079349 is a deficient number, since it is larger than the sum of its proper divisors (1).

2168079349 is an equidigital number, since it uses as much as digits as its factorization.

2168079349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 2168079349 is about 46562.6389823429. The cubic root of 2168079349 is about 1294.2705151469.

The spelling of 2168079349 in words is "two billion, one hundred sixty-eight million, seventy-nine thousand, three hundred forty-nine".