999949003 has 2 divisors, whose sum is σ = 999949004. Its totient is φ = 999949002.

The previous prime is 999949001. The next prime is 999949009. The reversal of 999949003 is 300949999.

999949003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 999949003 - 2¹ = 999949001 is a prime.

Together with 999949001, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (999949001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499974501 + 499974502.

It is an arithmetic number, because the mean of its divisors is an integer number (499974502).

Almost surely, 2^999949003 is an apocalyptic number.

999949003 is a deficient number, since it is larger than the sum of its proper divisors (1).

999949003 is an equidigital number, since it uses as much as digits as its factorization.

999949003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 708588, while the sum is 52.

The square root of 999949003 is about 31621.9702580342. The cubic root of 999949003 is about 999.9830007110.

The spelling of 999949003 in words is "nine hundred ninety-nine million, nine hundred forty-nine thousand, three".