503041016413 has 4 divisors (see below), whose sum is σ = 541736479228. Its totient is φ = 464345553600.

The previous prime is 503041016407. The next prime is 503041016479. The reversal of 503041016413 is 314610140305.

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

It can be written as a sum of positive squares in 2 ways, for example, as 237546087769 + 265494928644 = 487387^2 + 515262^2 .

It is a cyclic number.

It is not a de Polignac number, because 503041016413 - 2²⁹ = 502504145501 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 (503041016113) 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, 19347731388 + ... + 19347731413.

It is an arithmetic number, because the mean of its divisors is an integer number (135434119807).

Almost surely, 2^503041016413 is an apocalyptic number.

It is an amenable number.

503041016413 is a deficient number, since it is larger than the sum of its proper divisors (38695462815).

503041016413 is a wasteful number, since it uses less digits than its factorization.

503041016413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38695462814.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 503041016413 its reverse (314610140305), we get a palindrome (817651156718).

The spelling of 503041016413 in words is "five hundred three billion, forty-one million, sixteen thousand, four hundred thirteen".