199268353 has 2 divisors, whose sum is σ = 199268354. Its totient is φ = 199268352.

The previous prime is 199268351. The next prime is 199268359. The reversal of 199268353 is 353862991.

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., 154952704 + 44315649 = 12448^2 + 6657^2 .

It is a cyclic number.

It is not a de Polignac number, because 199268353 - 2¹ = 199268351 is a prime.

Together with 199268351, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (199268351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99634176 + 99634177.

It is an arithmetic number, because the mean of its divisors is an integer number (99634177).

Almost surely, 2^199268353 is an apocalyptic number.

It is an amenable number.

199268353 is a deficient number, since it is larger than the sum of its proper divisors (1).

199268353 is an equidigital number, since it uses as much as digits as its factorization.

199268353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 349920, while the sum is 46.

The square root of 199268353 is about 14116.2442951374. The cubic root of 199268353 is about 584.0895600200.

The spelling of 199268353 in words is "one hundred ninety-nine million, two hundred sixty-eight thousand, three hundred fifty-three".