498342127257 has 12 divisors (see below), whose sum is σ = 775198864804. Its totient is φ = 306672078240.

The previous prime is 498342127237. The next prime is 498342127267. The reversal of 498342127257 is 752721243894.

498342127257 is a `hidden beast` number, since 49 + 8 + 342 + 1 + 2 + 7 + 257 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 87840511641 + 410501615616 = 296379^2 + 640704^2 .

It is not a de Polignac number, because 498342127257 - 2⁶ = 498342127193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (498342127237) 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 in 11 ways as a sum of consecutive naturals, for example, 2129667094 + ... + 2129667327.

Almost surely, 2^498342127257 is an apocalyptic number.

It is an amenable number.

498342127257 is a deficient number, since it is larger than the sum of its proper divisors (276856737547).

498342127257 is a wasteful number, since it uses less digits than its factorization.

498342127257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4259334440 (or 4259334437 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 54.

The spelling of 498342127257 in words is "four hundred ninety-eight billion, three hundred forty-two million, one hundred twenty-seven thousand, two hundred fifty-seven".