551000449189 has 8 divisors (see below), whose sum is σ = 560773096568. Its totient is φ = 541251668160.

The previous prime is 551000449121. The next prime is 551000449199. The reversal of 551000449189 is 981944000155.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 24599412964 + 526401036225 = 156842^2 + 725535^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 551000449189 - 2¹³ = 551000440997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551000449199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5920002 + ... + 6012355.

It is an arithmetic number, because the mean of its divisors is an integer number (70096637071).

Almost surely, 2^551000449189 is an apocalyptic number.

It is an amenable number.

551000449189 is a deficient number, since it is larger than the sum of its proper divisors (9772647379).

551000449189 is a wasteful number, since it uses less digits than its factorization.

551000449189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11933175.

The product of its (nonzero) digits is 259200, while the sum is 46.

The spelling of 551000449189 in words is "five hundred fifty-one billion, four hundred forty-nine thousand, one hundred eighty-nine".