497663338513 has 6 divisors (see below), whose sum is σ = 547018380482. Its totient is φ = 452421216720.

The previous prime is 497663338499. The next prime is 497663338519. The reversal of 497663338513 is 315833366794.

It can be written as a sum of positive squares in only one way, i.e., 263119754304 + 234543584209 = 512952^2 + 484297^2 .

It is not a de Polignac number, because 497663338513 - 2¹⁷ = 497663207441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (497663338519) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2056459956 + ... + 2056460197.

Almost surely, 2^497663338513 is an apocalyptic number.

It is an amenable number.

497663338513 is a deficient number, since it is larger than the sum of its proper divisors (49355041969).

497663338513 is a wasteful number, since it uses less digits than its factorization.

497663338513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4112920175 (or 4112920164 counting only the distinct ones).

The product of its digits is 29393280, while the sum is 58.

The spelling of 497663338513 in words is "four hundred ninety-seven billion, six hundred sixty-three million, three hundred thirty-eight thousand, five hundred thirteen".