495640777773 has 16 divisors (see below), whose sum is σ = 699934749696. Its totient is φ = 310898472960.

The previous prime is 495640777769. The next prime is 495640777799. The reversal of 495640777773 is 377777046594.

It is not a de Polignac number, because 495640777773 - 2² = 495640777769 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495640777873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1260036 + ... + 1605917.

It is an arithmetic number, because the mean of its divisors is an integer number (43745921856).

Almost surely, 2^495640777773 is an apocalyptic number.

It is an amenable number.

495640777773 is a deficient number, since it is larger than the sum of its proper divisors (204293971923).

495640777773 is a wasteful number, since it uses less digits than its factorization.

495640777773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2869364.

The product of its (nonzero) digits is 217818720, while the sum is 66.

The spelling of 495640777773 in words is "four hundred ninety-five billion, six hundred forty million, seven hundred seventy-seven thousand, seven hundred seventy-three".