495689459 has 4 divisors (see below), whose sum is σ = 499473480. Its totient is φ = 491905440.

The previous prime is 495689449. The next prime is 495689479. The reversal of 495689459 is 954986594.

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 495689459 - 2⁸ = 495689203 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 495689398 and 495689407.

It is not an unprimeable number, because it can be changed into a prime (495689419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1891814 + ... + 1892075.

It is an arithmetic number, because the mean of its divisors is an integer number (124868370).

Almost surely, 2^495689459 is an apocalyptic number.

495689459 is a deficient number, since it is larger than the sum of its proper divisors (3784021).

495689459 is a wasteful number, since it uses less digits than its factorization.

495689459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3784020.

The product of its digits is 13996800, while the sum is 59.

The square root of 495689459 is about 22264.0845084634. The cubic root of 495689459 is about 791.4130874987.

The spelling of 495689459 in words is "four hundred ninety-five million, six hundred eighty-nine thousand, four hundred fifty-nine".