6444723030 has 16 divisors (see below), whose sum is σ = 15467335344. Its totient is φ = 1718592800.

The previous prime is 6444723013. The next prime is 6444723053. The reversal of 6444723030 is 303274446.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6444722982 and 6444723000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107412021 + ... + 107412080.

It is an arithmetic number, because the mean of its divisors is an integer number (966708459).

Almost surely, 2^6444723030 is an apocalyptic number.

6444723030 is an abundant number, since it is smaller than the sum of its proper divisors (9022612314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6444723030 is a wasteful number, since it uses less digits than its factorization.

6444723030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214824111.

The product of its (nonzero) digits is 48384, while the sum is 33.

The square root of 6444723030 is about 80279.0323185326. The cubic root of 6444723030 is about 1860.9502053238.

Adding to 6444723030 its reverse (303274446), we get a palindrome (6747997476).

The spelling of 6444723030 in words is "six billion, four hundred forty-four million, seven hundred twenty-three thousand, thirty".