500399709803 has 36 divisors (see below), whose sum is σ = 597733236720. Its totient is φ = 409878312480.

The previous prime is 500399709781. The next prime is 500399709841. The reversal of 500399709803 is 308907993005.

It is not a de Polignac number, because 500399709803 - 2¹⁶ = 500399644267 is a prime.

It is a super-2 number, since 2×500399709803² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (500399709863) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 1320315668 + ... + 1320316046.

It is an arithmetic number, because the mean of its divisors is an integer number (16603701020).

Almost surely, 2^500399709803 is an apocalyptic number.

500399709803 is a deficient number, since it is larger than the sum of its proper divisors (97333526917).

500399709803 is an frugal number, since it uses more digits than its factorization.

500399709803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056 (or 546 counting only the distinct ones).

The product of its (nonzero) digits is 1837080, while the sum is 53.

The spelling of 500399709803 in words is "five hundred billion, three hundred ninety-nine million, seven hundred nine thousand, eight hundred three".