6441275229 has 8 divisors (see below), whose sum is σ = 8591692032. Its totient is φ = 4292520960.

The previous prime is 6441275227. The next prime is 6441275237. The reversal of 6441275229 is 9225721446.

It is a happy number.

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

It is not a de Polignac number, because 6441275229 - 2¹ = 6441275227 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6441275227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 406564 + ... + 422109.

It is an arithmetic number, because the mean of its divisors is an integer number (1073961504).

Almost surely, 2^6441275229 is an apocalyptic number.

It is an amenable number.

6441275229 is a deficient number, since it is larger than the sum of its proper divisors (2150416803).

6441275229 is a wasteful number, since it uses less digits than its factorization.

6441275229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831267.

The product of its digits is 241920, while the sum is 42.

The square root of 6441275229 is about 80257.5555882435. Note that the first 4 decimals coincide. The cubic root of 6441275229 is about 1860.6182887844.

The spelling of 6441275229 in words is "six billion, four hundred forty-one million, two hundred seventy-five thousand, two hundred twenty-nine".