495050009 has 2 divisors, whose sum is σ = 495050010. Its totient is φ = 495050008.

The previous prime is 495049993. The next prime is 495050057. The reversal of 495050009 is 900050594.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 314281984 + 180768025 = 17728^2 + 13445^2 .

It is a cyclic number.

It is not a de Polignac number, because 495050009 - 2⁴ = 495049993 is a prime.

It is a super-2 number, since 2×495050009² = 490149022821800162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (495050209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247525004 + 247525005.

It is an arithmetic number, because the mean of its divisors is an integer number (247525005).

Almost surely, 2^495050009 is an apocalyptic number.

It is an amenable number.

495050009 is a deficient number, since it is larger than the sum of its proper divisors (1).

495050009 is an equidigital number, since it uses as much as digits as its factorization.

495050009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 495050009 is about 22249.7193016002. The cubic root of 495050009 is about 791.0726277888.

The spelling of 495050009 in words is "four hundred ninety-five million, fifty thousand, nine".