497528497449 has 45 divisors (see below), whose sum is σ = 749080434069. Its totient is φ = 329091361920.

The previous prime is 497528497421. The next prime is 497528497457. The reversal of 497528497449 is 944794825794.

The square root of 497528497449 is 705357.

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

497528497449 is a `hidden beast` number, since 4 + 9 + 7 + 528 + 4 + 97 + 4 + 4 + 9 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 404705907225 + 92822590224 = 636165^2 + 304668^2 .

It is not a de Polignac number, because 497528497449 - 2⁹ = 497528496937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (497528497489) 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 in 44 ways as a sum of consecutive naturals, for example, 1149026337 + ... + 1149026769.

Almost surely, 2^497528497449 is an apocalyptic number.

497528497449 is the 705357-th square number.

497528497449 is the 352679-th centered octagonal number.

It is an amenable number.

497528497449 is a deficient number, since it is larger than the sum of its proper divisors (251551936620).

497528497449 is an frugal number, since it uses more digits than its factorization.

497528497449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240 (or 617 counting only the distinct ones).

The product of its digits is 731566080, while the sum is 72.

The spelling of 497528497449 in words is "four hundred ninety-seven billion, five hundred twenty-eight million, four hundred ninety-seven thousand, four hundred forty-nine".