495206409 has 8 divisors (see below), whose sum is σ = 678120640. Its totient is φ = 321214896.

The previous prime is 495206359. The next prime is 495206419. The reversal of 495206409 is 904602594.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 495206409 - 2⁷ = 495206281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (495206419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2230549 + ... + 2230770.

It is an arithmetic number, because the mean of its divisors is an integer number (84765080).

Almost surely, 2^495206409 is an apocalyptic number.

It is an amenable number.

495206409 is a deficient number, since it is larger than the sum of its proper divisors (182914231).

495206409 is a wasteful number, since it uses less digits than its factorization.

495206409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4461359.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 495206409 is about 22253.2336751314. The cubic root of 495206409 is about 791.1559262635.

The spelling of 495206409 in words is "four hundred ninety-five million, two hundred six thousand, four hundred nine".