503217696923828 has 24 divisors (see below), whose sum is σ = 918955142810880. Its totient is φ = 240659938743840.

The previous prime is 503217696923771. The next prime is 503217696923833. The reversal of 503217696923828 is 828329696712305.

It is a super-2 number, since 2×503217696923828² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104386508 + ... + 109100771.

It is an arithmetic number, because the mean of its divisors is an integer number (38289797617120).

Almost surely, 2^{503217696923828} is an apocalyptic number.

It is an amenable number.

503217696923828 is a deficient number, since it is larger than the sum of its proper divisors (415737445887052).

503217696923828 is a wasteful number, since it uses less digits than its factorization.

503217696923828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213512927 (or 213512925 counting only the distinct ones).

The product of its (nonzero) digits is 470292480, while the sum is 71.

The spelling of 503217696923828 in words is "five hundred three trillion, two hundred seventeen billion, six hundred ninety-six million, nine hundred twenty-three thousand, eight hundred twenty-eight".