503620424563 has 4 divisors (see below), whose sum is σ = 505260882280. Its totient is φ = 501979966848.

The previous prime is 503620424539. The next prime is 503620424591. The reversal of 503620424563 is 365424026305.

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

It is a cyclic number.

It is not a de Polignac number, because 503620424563 - 2³³ = 495030489971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (503620454563) 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, 820228398 + ... + 820229011.

It is an arithmetic number, because the mean of its divisors is an integer number (126315220570).

Almost surely, 2^503620424563 is an apocalyptic number.

503620424563 is a deficient number, since it is larger than the sum of its proper divisors (1640457717).

503620424563 is a wasteful number, since it uses less digits than its factorization.

503620424563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640457716.

The product of its (nonzero) digits is 518400, while the sum is 40.

The spelling of 503620424563 in words is "five hundred three billion, six hundred twenty million, four hundred twenty-four thousand, five hundred sixty-three".