503888484445 has 16 divisors (see below), whose sum is σ = 641951267760. Its totient is φ = 378381210624.

The previous prime is 503888484443. The next prime is 503888484487. The reversal of 503888484445 is 544484888305.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 24176889 + 503864307556 = 4917^2 + 709834^2 .

It is not a de Polignac number, because 503888484445 - 2¹ = 503888484443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503888484443) 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 15 ways as a sum of consecutive naturals, for example, 7914810 + ... + 7978219.

It is an arithmetic number, because the mean of its divisors is an integer number (40121954235).

Almost surely, 2^503888484445 is an apocalyptic number.

It is an amenable number.

503888484445 is a deficient number, since it is larger than the sum of its proper divisors (138062783315).

503888484445 is a wasteful number, since it uses less digits than its factorization.

503888484445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15893424.

The product of its (nonzero) digits is 78643200, while the sum is 61.

The spelling of 503888484445 in words is "five hundred three billion, eight hundred eighty-eight million, four hundred eighty-four thousand, four hundred forty-five".