830449999 has 2 divisors, whose sum is σ = 830450000. Its totient is φ = 830449998.

The previous prime is 830449981. The next prime is 830450069. The reversal of 830449999 is 999944038.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 830449999 - 2⁷ = 830449871 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 (830449699) 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, 415224999 + 415225000.

It is an arithmetic number, because the mean of its divisors is an integer number (415225000).

Almost surely, 2^830449999 is an apocalyptic number.

830449999 is a deficient number, since it is larger than the sum of its proper divisors (1).

830449999 is an equidigital number, since it uses as much as digits as its factorization.

830449999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2519424, while the sum is 55.

The square root of 830449999 is about 28817.5293701594. The cubic root of 830449999 is about 939.9494461269.

The spelling of 830449999 in words is "eight hundred thirty million, four hundred forty-nine thousand, nine hundred ninety-nine".