503413656909 has 16 divisors (see below), whose sum is σ = 683884723200. Its totient is φ = 329327973936.

The previous prime is 503413656887. The next prime is 503413656919. The reversal of 503413656909 is 909656314305.

It is a happy number.

It is not a de Polignac number, because 503413656909 - 2¹⁷ = 503413525837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503413656919) 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, 6477039 + ... + 6554300.

It is an arithmetic number, because the mean of its divisors is an integer number (42742795200).

Almost surely, 2^503413656909 is an apocalyptic number.

It is an amenable number.

503413656909 is a deficient number, since it is larger than the sum of its proper divisors (180471066291).

503413656909 is a wasteful number, since it uses less digits than its factorization.

503413656909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13031584.

The product of its (nonzero) digits is 2624400, while the sum is 51.

The spelling of 503413656909 in words is "five hundred three billion, four hundred thirteen million, six hundred fifty-six thousand, nine hundred nine".