498987211 has 2 divisors, whose sum is σ = 498987212. Its totient is φ = 498987210.

The previous prime is 498987197. The next prime is 498987227. The reversal of 498987211 is 112789894.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-498987211 is a prime.

It is not a weakly prime, because it can be changed into another prime (498987241) 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, 249493605 + 249493606.

It is an arithmetic number, because the mean of its divisors is an integer number (249493606).

Almost surely, 2^498987211 is an apocalyptic number.

498987211 is a deficient number, since it is larger than the sum of its proper divisors (1).

498987211 is an equidigital number, since it uses as much as digits as its factorization.

498987211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 49.

The square root of 498987211 is about 22338.0216447205. The cubic root of 498987211 is about 793.1642629654.

The spelling of 498987211 in words is "four hundred ninety-eight million, nine hundred eighty-seven thousand, two hundred eleven".