199013743 has 2 divisors, whose sum is σ = 199013744. Its totient is φ = 199013742.

The previous prime is 199013729. The next prime is 199013753. The reversal of 199013743 is 347310991.

It is a strong prime.

It is an emirp because it is prime and its reverse (347310991) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 199013743 - 2⁹ = 199013231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199013753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99506871 + 99506872.

It is an arithmetic number, because the mean of its divisors is an integer number (99506872).

Almost surely, 2^199013743 is an apocalyptic number.

199013743 is a deficient number, since it is larger than the sum of its proper divisors (1).

199013743 is an equidigital number, since it uses as much as digits as its factorization.

199013743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 199013743 is about 14107.2230789762. The cubic root of 199013743 is about 583.8406855339.

The spelling of 199013743 in words is "one hundred ninety-nine million, thirteen thousand, seven hundred forty-three".