503485327489 has 15 divisors (see below), whose sum is σ = 514621248753. Its totient is φ = 492589926204.

The previous prime is 503485327409. The next prime is 503485327517. The reversal of 503485327489 is 984723584305.

It is a happy number.

The square root of 503485327489 is 709567.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 503485327489 - 2⁹ = 503485326977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (503485327409) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 4888207012 + ... + 4888207114.

Almost surely, 2^503485327489 is an apocalyptic number.

503485327489 is the 709567-th square number.

503485327489 is the 354784-th centered octagonal number.

It is an amenable number.

503485327489 is a deficient number, since it is larger than the sum of its proper divisors (11135921264).

503485327489 is an frugal number, since it uses more digits than its factorization.

503485327489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538 (or 186 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 58.

The spelling of 503485327489 in words is "five hundred three billion, four hundred eighty-five million, three hundred twenty-seven thousand, four hundred eighty-nine".