495207460609 has 4 divisors (see below), whose sum is σ = 495272963140. Its totient is φ = 495141958080.

The previous prime is 495207460607. The next prime is 495207460637. The reversal of 495207460609 is 906064702594.

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

It can be written as a sum of positive squares in 2 ways, for example, as 112294020609 + 382913440000 = 335103^2 + 618800^2 .

It is a cyclic number.

It is not a de Polignac number, because 495207460609 - 2¹ = 495207460607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (495207460607) 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, 32739924 + ... + 32755045.

It is an arithmetic number, because the mean of its divisors is an integer number (123818240785).

Almost surely, 2^495207460609 is an apocalyptic number.

It is an amenable number.

495207460609 is a deficient number, since it is larger than the sum of its proper divisors (65502531).

495207460609 is an equidigital number, since it uses as much as digits as its factorization.

495207460609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65502530.

The product of its (nonzero) digits is 3265920, while the sum is 52.

The spelling of 495207460609 in words is "four hundred ninety-five billion, two hundred seven million, four hundred sixty thousand, six hundred nine".