6441603055 has 4 divisors (see below), whose sum is σ = 7729923672. Its totient is φ = 5153282440.

The previous prime is 6441602969. The next prime is 6441603071. The reversal of 6441603055 is 5503061446.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5503061446 = 2 ⋅2751530723.

It is not a de Polignac number, because 6441603055 - 2¹⁹ = 6441078767 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6441603055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 644160301 + ... + 644160310.

It is an arithmetic number, because the mean of its divisors is an integer number (1932480918).

Almost surely, 2^6441603055 is an apocalyptic number.

6441603055 is a deficient number, since it is larger than the sum of its proper divisors (1288320617).

6441603055 is a wasteful number, since it uses less digits than its factorization.

6441603055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288320616.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 6441603055 is about 80259.5978995659. The cubic root of 6441603055 is about 1860.6498533779.

The spelling of 6441603055 in words is "six billion, four hundred forty-one million, six hundred three thousand, fifty-five".