495218807 has 4 divisors (see below), whose sum is σ = 495268776. Its totient is φ = 495168840.

The previous prime is 495218783. The next prime is 495218809. The reversal of 495218807 is 708812594.

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 is a cyclic number.

It is not a de Polignac number, because 495218807 - 2¹⁴ = 495202423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495218809) 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, 4544 + ... + 31797.

It is an arithmetic number, because the mean of its divisors is an integer number (123817194).

Almost surely, 2^495218807 is an apocalyptic number.

495218807 is a deficient number, since it is larger than the sum of its proper divisors (49969).

495218807 is a wasteful number, since it uses less digits than its factorization.

495218807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49968.

The product of its (nonzero) digits is 161280, while the sum is 44.

The square root of 495218807 is about 22253.5122396443. The cubic root of 495218807 is about 791.1625286749.

The spelling of 495218807 in words is "four hundred ninety-five million, two hundred eighteen thousand, eight hundred seven".