505042766469 has 32 divisors (see below), whose sum is σ = 764388057600. Its totient is φ = 329491169280.

The previous prime is 505042766467. The next prime is 505042766477. The reversal of 505042766469 is 964667240505.

505042766469 is a `hidden beast` number, since 5 + 0 + 504 + 2 + 76 + 6 + 4 + 69 = 666.

It is not a de Polignac number, because 505042766469 - 2¹ = 505042766467 is a prime.

It is a super-2 number, since 2×505042766469² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505042766467) 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 31 ways as a sum of consecutive naturals, for example, 806652 + ... + 1288709.

It is an arithmetic number, because the mean of its divisors is an integer number (23887126800).

Almost surely, 2^505042766469 is an apocalyptic number.

It is an amenable number.

505042766469 is a deficient number, since it is larger than the sum of its proper divisors (259345291131).

505042766469 is a wasteful number, since it uses less digits than its factorization.

505042766469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2095562 (or 2095556 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 54.

The spelling of 505042766469 in words is "five hundred five billion, forty-two million, seven hundred sixty-six thousand, four hundred sixty-nine".