509800457103 has 32 divisors (see below), whose sum is σ = 811428633600. Its totient is φ = 278538414336.

The previous prime is 509800457099. The next prime is 509800457107. The reversal of 509800457103 is 301754008905.

It is an interprime number because it is at equal distance from previous prime (509800457099) and next prime (509800457107).

It is not a de Polignac number, because 509800457103 - 2² = 509800457099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (509800457107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4000918 + ... + 4126371.

It is an arithmetic number, because the mean of its divisors is an integer number (25357144800).

Almost surely, 2^509800457103 is an apocalyptic number.

509800457103 is a deficient number, since it is larger than the sum of its proper divisors (301628176497).

509800457103 is a wasteful number, since it uses less digits than its factorization.

509800457103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8127431.

The product of its (nonzero) digits is 151200, while the sum is 42.

The spelling of 509800457103 in words is "five hundred nine billion, eight hundred million, four hundred fifty-seven thousand, one hundred three".