199754383 has 2 divisors, whose sum is σ = 199754384. Its totient is φ = 199754382.

The previous prime is 199754377. The next prime is 199754413. The reversal of 199754383 is 383457991.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 199754383 - 2⁵ = 199754351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199754683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99877191 + 99877192.

It is an arithmetic number, because the mean of its divisors is an integer number (99877192).

Almost surely, 2^199754383 is an apocalyptic number.

199754383 is a deficient number, since it is larger than the sum of its proper divisors (1).

199754383 is an equidigital number, since it uses as much as digits as its factorization.

199754383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 816480, while the sum is 49.

The square root of 199754383 is about 14133.4490836455. The cubic root of 199754383 is about 584.5640534211.

The spelling of 199754383 in words is "one hundred ninety-nine million, seven hundred fifty-four thousand, three hundred eighty-three".