503532216338 has 18 divisors (see below), whose sum is σ = 766842084981. Its totient is φ = 247975288704.

The previous prime is 503532216307. The next prime is 503532216359. The reversal of 503532216338 is 833612235305.

It can be written as a sum of positive squares in 2 ways, for example, as 503527902409 + 4313929 = 709597^2 + 2077^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=501763.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 503532216295 and 503532216304.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 67232498 + ... + 67239986.

Almost surely, 2^503532216338 is an apocalyptic number.

503532216338 is a deficient number, since it is larger than the sum of its proper divisors (263309868643).

503532216338 is an frugal number, since it uses more digits than its factorization.

503532216338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15114 (or 7558 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 503532216338 in words is "five hundred three billion, five hundred thirty-two million, two hundred sixteen thousand, three hundred thirty-eight".