497695556469 has 4 divisors (see below), whose sum is σ = 663594075296. Its totient is φ = 331797037644.

The previous prime is 497695556447. The next prime is 497695556503. The reversal of 497695556469 is 964655596794.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 497695556469 - 2⁷ = 497695556341 is a prime.

It is a super-2 number, since 2×497695556469² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 497695556469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497695556419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82949259409 + ... + 82949259414.

It is an arithmetic number, because the mean of its divisors is an integer number (165898518824).

Almost surely, 2^497695556469 is an apocalyptic number.

It is an amenable number.

497695556469 is a deficient number, since it is larger than the sum of its proper divisors (165898518827).

497695556469 is a wasteful number, since it uses less digits than its factorization.

497695556469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165898518826.

The product of its digits is 2204496000, while the sum is 75.

The spelling of 497695556469 in words is "four hundred ninety-seven billion, six hundred ninety-five million, five hundred fifty-six thousand, four hundred sixty-nine".