505351444546 has 12 divisors (see below), whose sum is σ = 820822317282. Its totient is φ = 233239128096.

The previous prime is 505351444529. The next prime is 505351444547. The reversal of 505351444546 is 645444153505.

It can be written as a sum of positive squares in 3 ways, for example, as 155520598321 + 349830846225 = 394361^2 + 591465^2 .

It is a super-2 number, since 2×505351444546² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 505351444496 and 505351444505.

It is not an unprimeable number, because it can be changed into a prime (505351444547) 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 5 ways as a sum of consecutive naturals, for example, 747560971 + ... + 747561646.

Almost surely, 2^505351444546 is an apocalyptic number.

505351444546 is a deficient number, since it is larger than the sum of its proper divisors (315470872736).

505351444546 is a wasteful number, since it uses less digits than its factorization.

505351444546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495122645 (or 1495122632 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 46.

The spelling of 505351444546 in words is "five hundred five billion, three hundred fifty-one million, four hundred forty-four thousand, five hundred forty-six".