495409727 has 4 divisors (see below), whose sum is σ = 496226496. Its totient is φ = 494592960.

The previous prime is 495409723. The next prime is 495409753. The reversal of 495409727 is 727904594.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 495409727 - 2² = 495409723 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495409723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 407474 + ... + 408687.

It is an arithmetic number, because the mean of its divisors is an integer number (124056624).

Almost surely, 2^495409727 is an apocalyptic number.

495409727 is a deficient number, since it is larger than the sum of its proper divisors (816769).

495409727 is an equidigital number, since it uses as much as digits as its factorization.

495409727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816768.

The product of its (nonzero) digits is 635040, while the sum is 47.

The square root of 495409727 is about 22257.8014862205. The cubic root of 495409727 is about 791.2641869997.

The spelling of 495409727 in words is "four hundred ninety-five million, four hundred nine thousand, seven hundred twenty-seven".