498040849 has 2 divisors, whose sum is σ = 498040850. Its totient is φ = 498040848.

The previous prime is 498040847. The next prime is 498040853. The reversal of 498040849 is 948040894.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 490312449 + 7728400 = 22143^2 + 2780^2 .

It is a cyclic number.

It is not a de Polignac number, because 498040849 - 2¹ = 498040847 is a prime.

Together with 498040847, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 498040799 and 498040808.

It is not a weakly prime, because it can be changed into another prime (498040847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249020424 + 249020425.

It is an arithmetic number, because the mean of its divisors is an integer number (249020425).

Almost surely, 2^498040849 is an apocalyptic number.

It is an amenable number.

498040849 is a deficient number, since it is larger than the sum of its proper divisors (1).

498040849 is an equidigital number, since it uses as much as digits as its factorization.

498040849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 498040849 is about 22316.8288293834. The cubic root of 498040849 is about 792.6625162700.

The spelling of 498040849 in words is "four hundred ninety-eight million, forty thousand, eight hundred forty-nine".