506013352640503 has 4 divisors (see below), whose sum is σ = 506120946383808. Its totient is φ = 505905758897200.

The previous prime is 506013352640491. The next prime is 506013352640507. The reversal of 506013352640503 is 305046253310605.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-506013352640503 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 506013352640503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506013352640507) 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, 53796864598 + ... + 53796874003.

It is an arithmetic number, because the mean of its divisors is an integer number (126530236595952).

Almost surely, 2^{506013352640503} is an apocalyptic number.

506013352640503 is a deficient number, since it is larger than the sum of its proper divisors (107593743305).

506013352640503 is a wasteful number, since it uses less digits than its factorization.

506013352640503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107593743304.

The product of its (nonzero) digits is 972000, while the sum is 43.

The spelling of 506013352640503 in words is "five hundred six trillion, thirteen billion, three hundred fifty-two million, six hundred forty thousand, five hundred three".