551809843199 has 8 divisors (see below), whose sum is σ = 575811294432. Its totient is φ = 527809201920.

The previous prime is 551809843187. The next prime is 551809843201. The reversal of 551809843199 is 991348908155.

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 551809843199 - 2¹² = 551809839103 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 (551809848199) 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, 1491239 + ... + 1824119.

It is an arithmetic number, because the mean of its divisors is an integer number (71976411804).

Almost surely, 2^551809843199 is an apocalyptic number.

551809843199 is a deficient number, since it is larger than the sum of its proper divisors (24001451233).

551809843199 is a wasteful number, since it uses less digits than its factorization.

551809843199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404977.

The product of its (nonzero) digits is 13996800, while the sum is 62.

The spelling of 551809843199 in words is "five hundred fifty-one billion, eight hundred nine million, eight hundred forty-three thousand, one hundred ninety-nine".