199268269 has 2 divisors, whose sum is σ = 199268270. Its totient is φ = 199268268.

The previous prime is 199268263. The next prime is 199268317. The reversal of 199268269 is 962862991.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139004100 + 60264169 = 11790^2 + 7763^2 .

It is an emirp because it is prime and its reverse (962862991) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 199268269 - 2²⁵ = 165713837 is a prime.

It is a super-2 number, since 2×199268269² = 79415686060512722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199268263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99634134 + 99634135.

It is an arithmetic number, because the mean of its divisors is an integer number (99634135).

Almost surely, 2^199268269 is an apocalyptic number.

It is an amenable number.

199268269 is a deficient number, since it is larger than the sum of its proper divisors (1).

199268269 is an equidigital number, since it uses as much as digits as its factorization.

199268269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 839808, while the sum is 52.

The square root of 199268269 is about 14116.2413198415. The cubic root of 199268269 is about 584.0894779472.

The spelling of 199268269 in words is "one hundred ninety-nine million, two hundred sixty-eight thousand, two hundred sixty-nine".