503820134625 has 16 divisors (see below), whose sum is σ = 838356704640. Its totient is φ = 268704071600.

The previous prime is 503820134611. The next prime is 503820134711. The reversal of 503820134625 is 526431028305.

It is a happy number.

It is not a de Polignac number, because 503820134625 - 2¹⁶ = 503820069089 is a prime.

It is an unprimeable number.

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, 671759805 + ... + 671760554.

It is an arithmetic number, because the mean of its divisors is an integer number (52397294040).

Almost surely, 2^503820134625 is an apocalyptic number.

It is an amenable number.

503820134625 is a deficient number, since it is larger than the sum of its proper divisors (334536570015).

503820134625 is a wasteful number, since it uses less digits than its factorization.

503820134625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1343520377 (or 1343520367 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 503820134625 in words is "five hundred three billion, eight hundred twenty million, one hundred thirty-four thousand, six hundred twenty-five".