550447110589969 has 4 divisors (see below), whose sum is σ = 550791786302644. Its totient is φ = 550102434877296.

The previous prime is 550447110589963. The next prime is 550447110590071. The reversal of 550447110589969 is 969985011744055.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 331727028890625 + 218720081699344 = 18213375^2 + 14789188^2 .

It is a cyclic number.

It is not a de Polignac number, because 550447110589969 - 2¹³ = 550447110581777 is a prime.

It is a super-3 number, since 3×550447110589969³ (a number of 45 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550447110589963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172337853942 + ... + 172337857135.

It is an arithmetic number, because the mean of its divisors is an integer number (137697946575661).

Almost surely, 2^{550447110589969} is an apocalyptic number.

It is an amenable number.

550447110589969 is a deficient number, since it is larger than the sum of its proper divisors (344675712675).

550447110589969 is a wasteful number, since it uses less digits than its factorization.

550447110589969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344675712674.

The product of its (nonzero) digits is 489888000, while the sum is 73.

The spelling of 550447110589969 in words is "five hundred fifty trillion, four hundred forty-seven billion, one hundred ten million, five hundred eighty-nine thousand, nine hundred sixty-nine".