199463213 has 2 divisors, whose sum is σ = 199463214. Its totient is φ = 199463212.

The previous prime is 199463191. The next prime is 199463239. The reversal of 199463213 is 312364991.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141657604 + 57805609 = 11902^2 + 7603^2 .

It is a cyclic number.

It is not a de Polignac number, because 199463213 - 2¹⁰ = 199462189 is a prime.

It is a super-3 number, since 3×199463213³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199463293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99731606 + 99731607.

It is an arithmetic number, because the mean of its divisors is an integer number (99731607).

Almost surely, 2^199463213 is an apocalyptic number.

It is an amenable number.

199463213 is a deficient number, since it is larger than the sum of its proper divisors (1).

199463213 is an equidigital number, since it uses as much as digits as its factorization.

199463213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 38.

The square root of 199463213 is about 14123.1445861040. The cubic root of 199463213 is about 584.2798873028.

The spelling of 199463213 in words is "one hundred ninety-nine million, four hundred sixty-three thousand, two hundred thirteen".