498917608281 has 9 divisors (see below), whose sum is σ = 720661828341. Its totient is φ = 332610326172.

The previous prime is 498917608237. The next prime is 498917608309. The reversal of 498917608281 is 182806719894.

The square root of 498917608281 is 706341.

It is a perfect power (a square), and thus also a powerful number.

498917608281 is a `hidden beast` number, since 4 + 9 + 8 + 9 + 17 + 608 + 2 + 8 + 1 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 498917608281 - 2²⁹ = 498380737369 is a prime.

It is a super-2 number, since 2×498917608281² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (498917608681) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2001300 + ... + 2236746.

Almost surely, 2^498917608281 is an apocalyptic number.

498917608281 is the 706341-st square number.

498917608281 is the 353171-st centered octagonal number.

It is an amenable number.

498917608281 is a deficient number, since it is larger than the sum of its proper divisors (221744220060).

498917608281 is an frugal number, since it uses more digits than its factorization.

498917608281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470900 (or 235450 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 63.

The spelling of 498917608281 in words is "four hundred ninety-eight billion, nine hundred seventeen million, six hundred eight thousand, two hundred eighty-one".