6243144489 has 6 divisors (see below), whose sum is σ = 9017875386. Its totient is φ = 4162096320.

The previous prime is 6243144463. The next prime is 6243144503. The reversal of 6243144489 is 9844413426.

6243144489 is a `hidden beast` number, since 6 + 24 + 3 + 144 + 489 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4652331264 + 1590813225 = 68208^2 + 39885^2 .

It is not a de Polignac number, because 6243144489 - 2¹⁶ = 6243078953 is a prime.

It is a super-2 number, since 2×6243144489² = 77953706221062142242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6243144409) 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 5 ways as a sum of consecutive naturals, for example, 346841352 + ... + 346841369.

It is an arithmetic number, because the mean of its divisors is an integer number (1502979231).

Almost surely, 2^6243144489 is an apocalyptic number.

It is an amenable number.

6243144489 is a deficient number, since it is larger than the sum of its proper divisors (2774730897).

6243144489 is a wasteful number, since it uses less digits than its factorization.

6243144489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693682727 (or 693682724 counting only the distinct ones).

The product of its digits is 663552, while the sum is 45.

The square root of 6243144489 is about 79013.5715494497. The cubic root of 6243144489 is about 1841.3420117643.

The spelling of 6243144489 in words is "six billion, two hundred forty-three million, one hundred forty-four thousand, four hundred eighty-nine".