199374403 has 2 divisors, whose sum is σ = 199374404. Its totient is φ = 199374402.

The previous prime is 199374401. The next prime is 199374443. The reversal of 199374403 is 304473991.

It is a happy number.

199374403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (199374443) can be obtained adding 199374403 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 199374403 - 2¹ = 199374401 is a prime.

Together with 199374401, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (199374401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99687201 + 99687202.

It is an arithmetic number, because the mean of its divisors is an integer number (99687202).

Almost surely, 2^199374403 is an apocalyptic number.

199374403 is a deficient number, since it is larger than the sum of its proper divisors (1).

199374403 is an equidigital number, since it uses as much as digits as its factorization.

199374403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 199374403 is about 14120.0001062323. Note that the first 3 decimals coincide. The cubic root of 199374403 is about 584.1931585285.

The spelling of 199374403 in words is "one hundred ninety-nine million, three hundred seventy-four thousand, four hundred three".