503246561313 has 4 divisors (see below), whose sum is σ = 670995415088. Its totient is φ = 335497707540.

The previous prime is 503246561291. The next prime is 503246561339. The reversal of 503246561313 is 313165642305.

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 not a de Polignac number, because 503246561313 - 2²¹ = 503244464161 is a prime.

It is a super-3 number, since 3×503246561313³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (503246568313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83874426883 + ... + 83874426888.

It is an arithmetic number, because the mean of its divisors is an integer number (167748853772).

Almost surely, 2^503246561313 is an apocalyptic number.

It is an amenable number.

503246561313 is a deficient number, since it is larger than the sum of its proper divisors (167748853775).

503246561313 is a wasteful number, since it uses less digits than its factorization.

503246561313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167748853774.

The product of its (nonzero) digits is 194400, while the sum is 39.

The spelling of 503246561313 in words is "five hundred three billion, two hundred forty-six million, five hundred sixty-one thousand, three hundred thirteen".