499689803 has 2 divisors, whose sum is σ = 499689804. Its totient is φ = 499689802.

The previous prime is 499689793. The next prime is 499689809. The reversal of 499689803 is 308986994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 499689803 - 2¹² = 499685707 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (499689809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249844901 + 249844902.

It is an arithmetic number, because the mean of its divisors is an integer number (249844902).

Almost surely, 2^499689803 is an apocalyptic number.

499689803 is a deficient number, since it is larger than the sum of its proper divisors (1).

499689803 is an equidigital number, since it uses as much as digits as its factorization.

499689803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3359232, while the sum is 56.

The square root of 499689803 is about 22353.7424830832. The cubic root of 499689803 is about 793.5363563481.

The spelling of 499689803 in words is "four hundred ninety-nine million, six hundred eighty-nine thousand, eight hundred three".