19380299 has 2 divisors, whose sum is σ = 19380300. Its totient is φ = 19380298.

The previous prime is 19380253. The next prime is 19380307. The reversal of 19380299 is 99208391.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19380299 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (19380199) 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, 9690149 + 9690150.

It is an arithmetic number, because the mean of its divisors is an integer number (9690150).

Almost surely, 2^19380299 is an apocalyptic number.

19380299 is a deficient number, since it is larger than the sum of its proper divisors (1).

19380299 is an equidigital number, since it uses as much as digits as its factorization.

19380299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 19380299 is about 4402.3061002161. The cubic root of 19380299 is about 268.6087511589.

The spelling of 19380299 in words is "nineteen million, three hundred eighty thousand, two hundred ninety-nine".