495684279 has 14 divisors (see below), whose sum is σ = 743187536. Its totient is φ = 330455700.

The previous prime is 495684251. The next prime is 495684313. The reversal of 495684279 is 972486594.

495684279 is a `hidden beast` number, since 4 + 9 + 568 + 4 + 2 + 79 = 666.

It is not a de Polignac number, because 495684279 - 2¹² = 495680183 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 (495684209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 339247 + ... + 340704.

It is an arithmetic number, because the mean of its divisors is an integer number (53084824).

Almost surely, 2^495684279 is an apocalyptic number.

495684279 is a deficient number, since it is larger than the sum of its proper divisors (247503257).

495684279 is an frugal number, since it uses more digits than its factorization.

495684279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679969 (or 679954 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 495684279 is about 22263.9681773039. The cubic root of 495684279 is about 791.4103307094.

The spelling of 495684279 in words is "four hundred ninety-five million, six hundred eighty-four thousand, two hundred seventy-nine".