2044330243551 has 6 divisors (see below), whose sum is σ = 2952921462920. Its totient is φ = 1362886829028.

The previous prime is 2044330243531. The next prime is 2044330243561. The reversal of 2044330243551 is 1553420334402.

2044330243551 is a `hidden beast` number, since 20 + 4 + 43 + 3 + 0 + 2 + 43 + 551 = 666.

It is not a de Polignac number, because 2044330243551 - 2¹⁰ = 2044330242527 is a prime.

It is a super-2 number, since 2×2044330243551² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2044330243531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 113573902411 + ... + 113573902428.

Almost surely, 2^{2044330243551} is an apocalyptic number.

2044330243551 is a deficient number, since it is larger than the sum of its proper divisors (908591219369).

2044330243551 is a wasteful number, since it uses less digits than its factorization.

2044330243551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227147804845 (or 227147804842 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

Adding to 2044330243551 its reverse (1553420334402), we get a palindrome (3597750577953).

The spelling of 2044330243551 in words is "two trillion, forty-four billion, three hundred thirty million, two hundred forty-three thousand, five hundred fifty-one".