504809761955 has 8 divisors (see below), whose sum is σ = 611769454704. Its totient is φ = 399849316000.

The previous prime is 504809761949. The next prime is 504809761957. The reversal of 504809761955 is 559167908405.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 504809761955 - 2²⁰ = 504808713379 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 504809761894 and 504809761903.

It is not an unprimeable number, because it can be changed into a prime (504809761957) 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 7 ways as a sum of consecutive naturals, for example, 499811141 + ... + 499812150.

It is an arithmetic number, because the mean of its divisors is an integer number (76471181838).

Almost surely, 2^504809761955 is an apocalyptic number.

504809761955 is a deficient number, since it is larger than the sum of its proper divisors (106959692749).

504809761955 is a wasteful number, since it uses less digits than its factorization.

504809761955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999623397.

The product of its (nonzero) digits is 13608000, while the sum is 59.

The spelling of 504809761955 in words is "five hundred four billion, eight hundred nine million, seven hundred sixty-one thousand, nine hundred fifty-five".