503728346651672 has 32 divisors (see below), whose sum is σ = 950449058984880. Its totient is φ = 250277433425280.

The previous prime is 503728346651659. The next prime is 503728346651693. The reversal of 503728346651672 is 276156643827305.

It is a junction number, because it is equal to n+sod(n) for n = 503728346651599 and 503728346651608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133714583 + ... + 137430150.

Almost surely, 2^{503728346651672} is an apocalyptic number.

It is an amenable number.

503728346651672 is a deficient number, since it is larger than the sum of its proper divisors (446720712333208).

503728346651672 is a wasteful number, since it uses less digits than its factorization.

503728346651672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271146203 (or 271146199 counting only the distinct ones).

The product of its (nonzero) digits is 304819200, while the sum is 65.

The spelling of 503728346651672 in words is "five hundred three trillion, seven hundred twenty-eight billion, three hundred forty-six million, six hundred fifty-one thousand, six hundred seventy-two".