505851300217 has 16 divisors (see below), whose sum is σ = 537034417920. Its totient is φ = 475130869200.

The previous prime is 505851300169. The next prime is 505851300221. The reversal of 505851300217 is 712003158505.

It is a happy number.

It is not a de Polignac number, because 505851300217 - 2¹⁹ = 505850775929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505851300277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2622358 + ... + 2808640.

It is an arithmetic number, because the mean of its divisors is an integer number (33564651120).

Almost surely, 2^505851300217 is an apocalyptic number.

It is an amenable number.

505851300217 is a deficient number, since it is larger than the sum of its proper divisors (31183117703).

505851300217 is a wasteful number, since it uses less digits than its factorization.

505851300217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187524.

The product of its (nonzero) digits is 42000, while the sum is 37.

The spelling of 505851300217 in words is "five hundred five billion, eight hundred fifty-one million, three hundred thousand, two hundred seventeen".