505752814609 has 16 divisors (see below), whose sum is σ = 599775390720. Its totient is φ = 417457267920.

The previous prime is 505752814597. The next prime is 505752814669. The reversal of 505752814609 is 906418257505.

It is a happy number.

It is not a de Polignac number, because 505752814609 - 2²⁹ = 505215943697 is a prime.

It is a super-3 number, since 3×505752814609³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505752814669) by changing a digit.

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, 11811319 + ... + 11854060.

It is an arithmetic number, because the mean of its divisors is an integer number (37485961920).

Almost surely, 2^505752814609 is an apocalyptic number.

It is an amenable number.

505752814609 is a deficient number, since it is larger than the sum of its proper divisors (94022576111).

505752814609 is a wasteful number, since it uses less digits than its factorization.

505752814609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23665500.

The product of its (nonzero) digits is 3024000, while the sum is 52.

The spelling of 505752814609 in words is "five hundred five billion, seven hundred fifty-two million, eight hundred fourteen thousand, six hundred nine".