503430510413 has 4 divisors (see below), whose sum is σ = 503443716768. Its totient is φ = 503417304060.

The previous prime is 503430510389. The next prime is 503430510419. The reversal of 503430510413 is 314015034305.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 503430510413 - 2²² = 503426316109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503430510419) 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, 6545831 + ... + 6622292.

It is an arithmetic number, because the mean of its divisors is an integer number (125860929192).

Almost surely, 2^503430510413 is an apocalyptic number.

It is an amenable number.

503430510413 is a deficient number, since it is larger than the sum of its proper divisors (13206355).

503430510413 is a wasteful number, since it uses less digits than its factorization.

503430510413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13206354.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 503430510413 its reverse (314015034305), we get a palindrome (817445544718).

The spelling of 503430510413 in words is "five hundred three billion, four hundred thirty million, five hundred ten thousand, four hundred thirteen".