199463039 has 2 divisors, whose sum is σ = 199463040. Its totient is φ = 199463038.

The previous prime is 199463029. The next prime is 199463051. The reversal of 199463039 is 930364991.

It is a weak prime.

It is an emirp because it is prime and its reverse (930364991) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 199463039 - 2¹⁶ = 199397503 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199463029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99731519 + 99731520.

It is an arithmetic number, because the mean of its divisors is an integer number (99731520).

Almost surely, 2^199463039 is an apocalyptic number.

199463039 is a deficient number, since it is larger than the sum of its proper divisors (1).

199463039 is an equidigital number, since it uses as much as digits as its factorization.

199463039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 157464, while the sum is 44.

The square root of 199463039 is about 14123.1384260015. The cubic root of 199463039 is about 584.2797174056.

The spelling of 199463039 in words is "one hundred ninety-nine million, four hundred sixty-three thousand, thirty-nine".