497175881449 has 27 divisors (see below), whose sum is σ = 546573525957. Its totient is φ = 452035636416.

The previous prime is 497175881441. The next prime is 497175881459. The reversal of 497175881449 is 944188571794.

The square root of 497175881449 is 705107.

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

It can be written as a sum of positive squares in 4 ways, for example, as 50016191449 + 447159690000 = 223643^2 + 668700^2 .

It is not a de Polignac number, because 497175881449 - 2³ = 497175881441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (497175881441) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 669146172 + ... + 669146914.

Almost surely, 2^497175881449 is an apocalyptic number.

497175881449 is the 705107-th square number.

497175881449 is the 352554-th centered octagonal number.

It is an amenable number.

497175881449 is a deficient number, since it is larger than the sum of its proper divisors (49397644508).

497175881449 is an frugal number, since it uses more digits than its factorization.

497175881449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1658 (or 829 counting only the distinct ones).

The product of its digits is 81285120, while the sum is 67.

The spelling of 497175881449 in words is "four hundred ninety-seven billion, one hundred seventy-five million, eight hundred eighty-one thousand, four hundred forty-nine".