498688469 has 2 divisors, whose sum is σ = 498688470. Its totient is φ = 498688468.

The previous prime is 498688457. The next prime is 498688483. The reversal of 498688469 is 964886894.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 373919569 + 124768900 = 19337^2 + 11170^2 .

It is a cyclic number.

It is not a de Polignac number, because 498688469 - 2¹⁶ = 498622933 is a prime.

It is a super-2 number, since 2×498688469² = 497380378227127922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (498688429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249344234 + 249344235.

It is an arithmetic number, because the mean of its divisors is an integer number (249344235).

Almost surely, 2^498688469 is an apocalyptic number.

It is an amenable number.

498688469 is a deficient number, since it is larger than the sum of its proper divisors (1).

498688469 is an equidigital number, since it uses as much as digits as its factorization.

498688469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23887872, while the sum is 62.

The square root of 498688469 is about 22331.3337935735. Note that the first 3 decimals coincide. The cubic root of 498688469 is about 793.0059430886.

The spelling of 498688469 in words is "four hundred ninety-eight million, six hundred eighty-eight thousand, four hundred sixty-nine".