495268285009 has 3 divisors (see below), whose sum is σ = 495268988763. Its totient is φ = 495267581256.

The previous prime is 495268285007. The next prime is 495268285033. The reversal of 495268285009 is 900582862594.

The square root of 495268285009 is 703753.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 137511180625 + 357757104384 = 370825^2 + 598128^2 .

It is not a de Polignac number, because 495268285009 - 2¹ = 495268285007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (495268285003) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 351877 + ... + 1055629.

It is an arithmetic number, because the mean of its divisors is an integer number (165089662921).

Almost surely, 2^495268285009 is an apocalyptic number.

495268285009 is the 703753-rd square number.

495268285009 is the 351877-th centered octagonal number.

It is an amenable number.

495268285009 is a deficient number, since it is larger than the sum of its proper divisors (703754).

495268285009 is an frugal number, since it uses more digits than its factorization.

495268285009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407506 (or 703753 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 58.

The spelling of 495268285009 in words is "four hundred ninety-five billion, two hundred sixty-eight million, two hundred eighty-five thousand, nine".