503221094916 has 12 divisors (see below), whose sum is σ = 1174182554832. Its totient is φ = 167740364968.

The previous prime is 503221094899. The next prime is 503221094917. The reversal of 503221094916 is 619490122305.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (503221094917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20967545610 + ... + 20967545633.

It is an arithmetic number, because the mean of its divisors is an integer number (97848546236).

Almost surely, 2^503221094916 is an apocalyptic number.

It is an amenable number.

503221094916 is an abundant number, since it is smaller than the sum of its proper divisors (670961459916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

503221094916 is a wasteful number, since it uses less digits than its factorization.

503221094916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41935091250 (or 41935091248 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The spelling of 503221094916 in words is "five hundred three billion, two hundred twenty-one million, ninety-four thousand, nine hundred sixteen".