1684853242550 has 48 divisors (see below), whose sum is σ = 3301291650240. Its totient is φ = 637981731360.

The previous prime is 1684853242547. The next prime is 1684853242559. The reversal of 1684853242550 is 552423584861.

It is a junction number, because it is equal to n+sod(n) for n = 1684853242492 and 1684853242501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1684853242559) 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 23 ways as a sum of consecutive naturals, for example, 563177 + ... + 1920123.

It is an arithmetic number, because the mean of its divisors is an integer number (68776909380).

Almost surely, 2^{1684853242550} is an apocalyptic number.

1684853242550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1684853242550 is a deficient number, since it is larger than the sum of its proper divisors (1616438407690).

1684853242550 is a wasteful number, since it uses less digits than its factorization.

1684853242550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358285 (or 1358280 counting only the distinct ones).

The product of its (nonzero) digits is 9216000, while the sum is 53.

The spelling of 1684853242550 in words is "one trillion, six hundred eighty-four billion, eight hundred fifty-three million, two hundred forty-two thousand, five hundred fifty".