6444129290 has 16 divisors (see below), whose sum is σ = 11625863040. Its totient is φ = 2571778320.

The previous prime is 6444129217. The next prime is 6444129311. The reversal of 6444129290 is 929214446.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 729566 + ... + 738345.

It is an arithmetic number, because the mean of its divisors is an integer number (726616440).

Almost surely, 2^6444129290 is an apocalyptic number.

6444129290 is a deficient number, since it is larger than the sum of its proper divisors (5181733750).

6444129290 is a wasteful number, since it uses less digits than its factorization.

6444129290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468357.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 6444129290 is about 80275.3342565448. The cubic root of 6444129290 is about 1860.8930549750.

The spelling of 6444129290 in words is "six billion, four hundred forty-four million, one hundred twenty-nine thousand, two hundred ninety".