495349564977 has 6 divisors (see below), whose sum is σ = 715504927202. Its totient is φ = 330233043312.

The previous prime is 495349564921. The next prime is 495349564981. The reversal of 495349564977 is 779465943594.

495349564977 is a `hidden beast` number, since 4 + 9 + 5 + 3 + 495 + 64 + 9 + 77 = 666.

It can be written as a sum of positive squares in only one way, i.e., 252316340721 + 243033224256 = 502311^2 + 492984^2 .

It is not a de Polignac number, because 495349564977 - 2¹⁹ = 495349040689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (495349566977) 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 5 ways as a sum of consecutive naturals, for example, 27519420268 + ... + 27519420285.

Almost surely, 2^495349564977 is an apocalyptic number.

It is an amenable number.

495349564977 is a deficient number, since it is larger than the sum of its proper divisors (220155362225).

495349564977 is a wasteful number, since it uses less digits than its factorization.

495349564977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55038840559 (or 55038840556 counting only the distinct ones).

The product of its digits is 1028764800, while the sum is 72.

The spelling of 495349564977 in words is "four hundred ninety-five billion, three hundred forty-nine million, five hundred sixty-four thousand, nine hundred seventy-seven".