199234649353 has 2 divisors, whose sum is σ = 199234649354. Its totient is φ = 199234649352.

The previous prime is 199234649351. The next prime is 199234649389. The reversal of 199234649353 is 353946432991.

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., 110827736464 + 88406912889 = 332908^2 + 297333^2 .

It is a cyclic number.

It is not a de Polignac number, because 199234649353 - 2¹ = 199234649351 is a prime.

Together with 199234649351, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (199234649351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99617324676 + 99617324677.

It is an arithmetic number, because the mean of its divisors is an integer number (99617324677).

Almost surely, 2^199234649353 is an apocalyptic number.

It is an amenable number.

199234649353 is a deficient number, since it is larger than the sum of its proper divisors (1).

199234649353 is an equidigital number, since it uses as much as digits as its factorization.

199234649353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18895680, while the sum is 58.

The spelling of 199234649353 in words is "one hundred ninety-nine billion, two hundred thirty-four million, six hundred forty-nine thousand, three hundred fifty-three".