495771569 has 8 divisors (see below), whose sum is σ = 499490112. Its totient is φ = 492067440.

The previous prime is 495771539. The next prime is 495771571. The reversal of 495771569 is 965177594.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 495771569 - 2¹⁶ = 495706033 is a prime.

It is a super-2 number, since 2×495771569² = 491578897257443522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 495771569.

It is not an unprimeable number, because it can be changed into a prime (495771539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71099 + ... + 77759.

It is an arithmetic number, because the mean of its divisors is an integer number (62436264).

Almost surely, 2^495771569 is an apocalyptic number.

It is an amenable number.

495771569 is a deficient number, since it is larger than the sum of its proper divisors (3718543).

495771569 is a wasteful number, since it uses less digits than its factorization.

495771569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7207.

The product of its digits is 2381400, while the sum is 53.

The square root of 495771569 is about 22265.9284333710. The cubic root of 495771569 is about 791.4567837683.

The spelling of 495771569 in words is "four hundred ninety-five million, seven hundred seventy-one thousand, five hundred sixty-nine".