503494472779 has 4 divisors (see below), whose sum is σ = 514207121184. Its totient is φ = 492781824376.

The previous prime is 503494472777. The next prime is 503494472857. The reversal of 503494472779 is 977274494305.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 503494472779 - 2¹ = 503494472777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (503494472777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5356324132 + ... + 5356324225.

It is an arithmetic number, because the mean of its divisors is an integer number (128551780296).

Almost surely, 2^503494472779 is an apocalyptic number.

503494472779 is a deficient number, since it is larger than the sum of its proper divisors (10712648405).

503494472779 is a wasteful number, since it uses less digits than its factorization.

503494472779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10712648404.

The product of its (nonzero) digits is 53343360, while the sum is 61.

The spelling of 503494472779 in words is "five hundred three billion, four hundred ninety-four million, four hundred seventy-two thousand, seven hundred seventy-nine".