496463778321 has 32 divisors (see below), whose sum is σ = 780990210048. Its totient is φ = 274517493120.

The previous prime is 496463778233. The next prime is 496463778329. The reversal of 496463778321 is 123877364694.

It is not a de Polignac number, because 496463778321 - 2⁷ = 496463778193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (496463778329) 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 31 ways as a sum of consecutive naturals, for example, 9062605 + ... + 9117221.

It is an arithmetic number, because the mean of its divisors is an integer number (24405944064).

Almost surely, 2^496463778321 is an apocalyptic number.

It is an amenable number.

496463778321 is a deficient number, since it is larger than the sum of its proper divisors (284526431727).

496463778321 is a wasteful number, since it uses less digits than its factorization.

496463778321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68621.

The product of its digits is 36578304, while the sum is 60.

The spelling of 496463778321 in words is "four hundred ninety-six billion, four hundred sixty-three million, seven hundred seventy-eight thousand, three hundred twenty-one".