6444454130 has 16 divisors (see below), whose sum is σ = 11677872600. Its totient is φ = 2560480512.

The previous prime is 6444454103. The next prime is 6444454141. The reversal of 6444454130 is 314544446.

It can be written as a sum of positive squares in 4 ways, for example, as 5169178609 + 1275275521 = 71897^2 + 35711^2 .

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, 2161079 + ... + 2164058.

Almost surely, 2^6444454130 is an apocalyptic number.

6444454130 is a deficient number, since it is larger than the sum of its proper divisors (5233418470).

6444454130 is a wasteful number, since it uses less digits than its factorization.

6444454130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4325293.

The product of its (nonzero) digits is 92160, while the sum is 35.

The square root of 6444454130 is about 80277.3575175466. The cubic root of 6444454130 is about 1860.9243228322.

Adding to 6444454130 its reverse (314544446), we get a palindrome (6758998576).

The spelling of 6444454130 in words is "six billion, four hundred forty-four million, four hundred fifty-four thousand, one hundred thirty".