490604899 has 2 divisors, whose sum is σ = 490604900. Its totient is φ = 490604898.

The previous prime is 490604879. The next prime is 490604923. The reversal of 490604899 is 998406094.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 490604899 - 2¹⁹ = 490080611 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (490604879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245302449 + 245302450.

It is an arithmetic number, because the mean of its divisors is an integer number (245302450).

Almost surely, 2^490604899 is an apocalyptic number.

490604899 is a deficient number, since it is larger than the sum of its proper divisors (1).

490604899 is an equidigital number, since it uses as much as digits as its factorization.

490604899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 559872, while the sum is 49.

The square root of 490604899 is about 22149.6026826668. The cubic root of 490604899 is about 788.6977953917.

The spelling of 490604899 in words is "four hundred ninety million, six hundred four thousand, eight hundred ninety-nine".